Feynlabs ? Using the Raspberry Pi to teach Computer Science

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This will be a long three part blog about how we are using the Raspberry Pi in the Feynlabs program as a way to introduce Computer science to kids

The Raspberry Pi is a platform ? and as it?s creators have always indicated ? it is the community which will drive it?s direction and evolution. Feynlabs is using the Raspberry Pi to teach the concepts of programming languages to kids and in doing so, creating a new way in which deep principles of Computer Science can be introduced to kids.

Feynlabs is the first initiative to teach the concepts of programming languages to kids? (as opposed to a specific programming language). By abstracting the common elements of programming languages, our aim is to rapidly learn any programming language

To get a background of my thinking, you should have a look at these three articles on which I will build upon

1)?Five Principles to Radically Transform How We Teach Computer Programming ? part One

2)?Five Principles to Radically Transform How We Teach Computer Programming ? part Two

3)?How will next generation computing labs in schools look like?

As you can imagine, to achieve our goals of teaching the Concepts of Programming Languages to kids ? we have to explore deep into Computer Science.

So, in this set of three articles, I will cover

a)????? An outline of Computer Science for kids

b)????? Our approach to teach computer science by abstracting the concepts of programming languages

c)?????? How we are using the Raspberry Pi in our work to teach the Concepts of Programming Languages

Some more introductory notes:

a)????? feynlabs is addressing a unique (not yet addressed) problem ? which I can encapsulate as ?How do we take learners from 0 to 60 fast?? i.e. accelerate the computer science learning stage so that they don?t get bogged down and can quickly see the ?vista? so to speak i.e. the big picture vision?. From a learning standpoint this would be a success because once the participant can see the big picture, they can add their own unique contribution/imagination to learning

b)????? From our early trials, we can say that teaching ?concepts of programming languages? to kids is a unique experience because you have to start with the abstract (which can be more complex in some ways) ? and then move to the concrete and finally move back to the abstract again i.e. move back to concepts. Specifically, our current approach is to start with the concepts (including the question of what is a ?concept?) ? then address the concrete implementation using Raspberry Pi and Python. This allows us to explore many aspects of Computer Science through Pi-face, Pygames etc.

c)?????? Finally, we move back to the abstract domain by looking at a classification of programming languages and specific implementations in other languages such as Processing, C, Java Script and others.

d)????? This approach allows us to do some unique things such as co-relate programming to concrete examples, take a systems led approach etc.

Thus, Feynlabs is creating a set of unique techniques to teach computer science to kids based on

a)????? Teaching the concepts of Programming Languages to kids and

b)????? Using the Raspberry Pi and other devices to introduce the ideas we are developing so that the participants understand Computer Science

c)?????? We will evolve these techniques through the trails we are working with in the community

In this sense, our work through Feynlabs is far more complex than merely teaching programming.

So, in this context, what is computer science?

Here, I am building upon some excellent work in a paper called Computer Science: A curriculum for schools by the Computing at School Working Group endorsed by BCS, Microsoft, Google and Intellect ? March 2012. You can read the full paper ? Computer Science: A curriculum for schools

I will summarise the key ideas in this paper which we will build upon in the next two parts of this set of articles (emphasis mine)

• Computer Science is the study of principles and practices that underpin an understanding and modelling of computation, and of their application in the development of computer systems. At its heart lies the notion of computational thinking: a mode of thought that goes well beyond software and hardware, and that provides a framework within which to reason about systems and problems. This mode of thinking is supported and complemented by a substantial body of theoretical and practical knowledge, and by a set of powerful techniques for analysing, modelling and solving problems.
• Computer Science is deeply concerned with how computers and computer systems work, and how they are designed and programmed.
• Pupils studying computing gain insight into computational systems of all kinds, whether or not they include computers.
• Computational thinking influences fields such as biology, chemistry, linguistics, psychology, economics and statistics.
• It allows us to solve problems, design systems and understand the power and limits of human and machine intelligence.
• Computer Science is a practical subject, where invention and resourcefulness are encouraged.
• Computer Science is a discipline. To do this, education aspires primarily to teach disciplines with long-term value, rather than skills with short-term usefulness, although the latter are certainly useful. A ?discipline? is characterised by: A body of knowledge, A set of techniques and methods, A way of thinking and working, Longevity:, Independence from specific technologies especially those that have a short shelf-life.
• Computer Science is a quintessential STEM discipline, sharing attributes with Engineering, Mathematics, Science, and Technology: ?It has its own theoretical foundations and mathematical underpinnings, and involves the application of logic and reasoning. It embraces a scientific approach to measurement and experiment. It involves the design, construction, and testing of purposeful artefacts. It requires understanding, appreciation, and application of a wide range of technologies.
• Computer Science provides pupils with insights into other STEM disciplines, and with skills and knowledge that can be applied to the solution of problems in those disciplines. Although they are invisible and intangible, software systems are among the largest and most complex artefacts ever created by human beings. The marriage between software and hardware that is necessary to realize computer-based systems increases the level of complexity, and the complex web of inter-relationships between different systems increases it yet further. Understanding this complexity and bringing it under control is the central challenge of our discipline.
• In a world where computer-based systems have become all pervasive, those individuals and societies that are best equipped to meet this challenge will have a competitive edge.
• Computer Science and Information Technology are complementary, but they are not the same. Computer Science and Information Technology are complementary subjects. Computer Science teaches a pupil how to be an effective author of computational tools (i.e. software), while IT teaches how to be a thoughtful user of those tools. This neat juxtaposition is only part of the truth, because it focuses too narrowly on computers as a technology, and computing is much broader than that. As Dijkstra famously remarked, ?Computer Science is no more about computers than astronomy is about telescopes
• We want our children to understand and play an active role in the digital world that surrounds them, not to be passive consumers of an opaque and mysterious technology. A sound understanding of computing concepts will help them see how to get the best from the systems they use, and how to solve problems when things go wrong. Moreover, citizens able to think in computational terms would be able to understand and rationally argue about issues involving computation, such as software patents, identity theft, genetic engineering, electronic voting systems for elections, and so on. In a world suffused by computation, every school-leaver should have an understanding of computing.
• A number of key concepts arise repeatedly in computing. They are grouped here under Languages, machines, and computation, Data and representation, Communication and coordination, Abstraction and design. It would not be sensible to teach these concepts as discrete topics in their own right. Rather, they constitute unifying themes that can be used as a way to understand and organise computing knowledge, and are more easily recognised by pupils after they have encountered several concrete examples of the concept in action.
• Much of the power of computers comes from their ability to store and manipulate very large quantities of data. The way in which this data is stored and manipulated can make enormous differences to the speed, robustness, and security of a computer system. This area of computing includes: How data is represented using bit patterns: including numbers, text, music, pictures. How data is stored and transmitted, including: redundancy, error checking, error correction; data compression and information theory; and encryption. How data is organised, for example, in data structures or in databases. How digital data is used to represent analogue measures, such as temperature, light intensity and sound. How analogue measures are converted to digital values and vice versa and how digital computers may be used to control other devices.
• Computers are communication devices. They enable human-to-human communication by way of machine-to-machine communication: a mobile phone computes in order to help us communicate. The design and implementation of these communications systems is a recurrent theme in computing:
• Abstraction is the main mechanism used to deal with complexity and enabling computerisation. Abstraction is both presenting a simplified version through information hiding and making an analysis to identify the essence or essential features. ?The process of categorisation or classification that breaks down a complex system into a systematic analysis or representation.
• Computer systems have a profound impact on the society we live in, and computational thinking offers a new ?lens? through which to look at ourselves and our world. The themes here are very open-ended, taking the form of questions that a thoughtful person might debate, rather than answers that a clever person might know. Intelligence and consciousness. The natural world. DNA encodes the sequence of amino acids that make up proteins. Creativity and intellectual property. Games, music, movies, gallery installations and performing arts are all transformed by computing and online experiences would not be possible without it. Should artistic ways of working be integrated with computational thinking?
• A key challenge in computational thinking is the scale and complexity of the systems we study or build. The main technique used to manage this complexity is abstraction5. The process of abstraction takes many specific forms, such as modelling, decomposing, and generalising. In each case, complexity is dealt with by hiding complicated details behind a simple abstraction, or model, of the situation. Modelling, Decomposing Generalising and classifying
• Computer Science is more than programming, but programming is an absolutely central process for Computer Science. In an educational context, programming encourages creativity, logical thought, precision and problem-solving, and helps foster the personal, learning and thinking skills required in the modern school curriculum. Every pupil should have repeated opportunities to design, write, run, and debug, executable programs. The ability to understand and explain a program is much more important than the ability to produce working but incomprehensible code.
• Depending on level, pupils should be able to: Design and write programs that include Sequencing: doing one step after another, o Selection (if-then-else): doing either one thing or another, Repetition (Iterative loops or recursion), Language constructs that support abstraction: wrapping up a computation in a named abstraction, so that it can be re-used. (The most common form of abstraction is the notion of a ?procedure? or ?function? with parameters.), Some form of interaction with the program?s environment, such as input/output, or event-based programming.

In the next two parts of this article, I will discuss

• Our approach to teach computer science by abstracting the concepts of programming languages
• ?How we are using the Raspberry Pi in our work to teach the Concepts of Programming Languages

comments and feedback welcome at ajit.jaokar at futuretext.com?

Image source: Raspberry Pi foundation

Source: http://www.opengardensblog.futuretext.com/archives/2013/02/feynlabs-using-the-raspberry-pi-to-teach-computer-science.html

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Solar industry grapples with hazardous wastes

Chart shows the amount of waste generated from solar companies in California that was shipped to other states for disposal.

Chart shows the amount of waste generated from solar companies in California that was shipped to other states for disposal.

SAN FRANCISCO (AP) ? Homeowners on the hunt for sparkling solar panels are lured by ads filled with images of pristine landscapes and bright sunshine, and words about the technology's benefits for the environment ? and the wallet.

What customers may not know is that there's a dirtier side.

While solar is a far less polluting energy source than coal or natural gas, many panel makers are nevertheless grappling with a hazardous waste problem.

State records obtained by The Associated Press show that 17 companies with 44 manufacturing facilities in California produced 46.5 million pounds of hazardous waste from 2007 through the first half of 2011.

Roughly 97 percent of it was taken to in-state waste facilities, but more than 1.4 million pounds was transported out of state, as far away as Rhode Island.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/386c25518f464186bf7a2ac026580ce7/Article_2013-02-10-US-Solar-Panels-Hazardous-Waste/id-a9c31c15e2d043f1a46c098c5acd0889

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Rationally Speaking, We Are All Apocalyptic Now, By Robert Jensen ...

Reposted from TRUTHOUT (http://e360 NULL.yale NULL.edu/content/feature NULL.msp?id=2616)

We are all apocalyptic now, or at least we should be, if we are rational.

Because ?apocalyptic? is typically associated with religious fanaticism and death cults ? things that rational people tend not to take literally or seriously ? this claim requires some explanation.

First, a definition: The term is most commonly used in reference to the Book of Revelation, also known as The Apocalypse of John, the final book of the Christian New Testament. The two terms are synonymous in their original meaning ? ?revelation? from Latin and ?apocalypse? from Greek, both mean a lifting of the veil, a disclosure of something that had been hidden.

Second, the formulation ?we are all (fill in the blank) now? has long been a way to assert that certain ideas have become the norm: ?We are all Keynesians now,? said Milton Friedman in 1965, for instance, or to express solidarity: ?We are all New Yorkers now,? said many non-New Yorkers after 9/11.

Rather than claiming divine inspiration, we can come to greater clarity about the desperate state of the ecosphere and its human inhabitants through evidence and reason. It is time for a calm, measured apocalypticism that recognizes that the ecosphere sets norms, which we have ignored for too long, and that we need to develop a new sense of solidarity among humans and with the larger living world.

So, speaking apocalyptically need not leave us stuck in a corner with the folks predicting lakes of fire, rivers of blood or bodies lifted up to the heavens. Instead, it can focus our attention on ecological realities and on the unjust and unsustainable human systems that have brought us to this point.

This ?revelation? is simple: We?ve built a world based on the assumption that we will have endless energy to subsidize endless economic expansion, which was supposed to magically produce justice. That world is over, both in reality and in dreams. Either we begin to build a different world, or there will be no world capable of sustaining a large-scale human presence.

If that?s not clear: When we take seriously what physics, chemistry and biology tell us about the health of the living world on which we depend, we all should be thinking apocalyptically. Look at any crucial measure of the ecosphere ? groundwater depletion; topsoil loss; chemical contamination; increased toxicity in our own bodies; the number and size of ?dead zones? in the oceans, accelerating extinction of species and reduction of biodiversity; and the ultimate game-changer of climate disruption ? and ask a simple question: Where we are heading? Scientists these days are talking about tipping points and planetary boundaries, about how human activity is pushing the planet beyond its limits.

If we look honestly at the state of the world, it is difficult not to conclude that we are in end times of sorts ? not the end of the physical world, but the end of the First-World way of living and the end of the systems on which that life is based.

I know that invoking the terms ?apocalypse? and ?end times? triggers many people?s experiences with arrogant religious people who preach about deliverance fantasies. My message is not about a rapture that can be predicted, but about ruptures in the ecological and social fabrics that are underway and accelerating.

No matter how carefully I craft these statements ? no matter how often I deny a claim to special gifts of prognostication, no matter now clearly I reject supernatural explanations or solutions ? many people refuse to take this analysis seriously. Some people joke about ?Mr. Doom and Gloom.? Others suggest that such talk is no different than conspiracy theorists? ramblings about how international bankers, secret cells of communists, or crypto-fascists are using the United Nations to create a one-world government.

Even the most measured and careful talk of the coming dramatic change in the place of humans on Earth leads to accusations that one is unnecessarily alarmist, probably paranoid and certainly irrelevant in serious discussions about social and ecological issues. In the United States, people expect talk of the future to be upbeat, based on those assumptions of endless expansion and perpetual progress, or at least maintenance of our ?way of life.? Even those who realize the danger of such fanciful thinking are hesitant to speak too bluntly, out of fear of seeming crazy.

A calm apocalypticism is not crazy, but rather can help us confront honestly the crises of our time and strategize constructively about possible responses. We can struggle to understand ? to the best of our ability, without succumbing to magical thinking ? the state of the ecosphere and the impediments to sensible action in our societies.

This struggle to understand led me to write a?short polemic (http://www NULL.amazon NULL.com/gp/product/148195847X/ref=ox_sc_act_title_1?ie=UTF8&psc=1&smid=ATVPDKIKX0DER),?We Are All Apocalyptic Now: On the Responsibilities of Teaching, Preaching, Reporting, Writing, and Speaking Out. The book?s message is simple: The big systems that structure our world, especially capitalism and the extractive economy, are incompatible with social justice and ecological sustainability. Those who have opportunities to write and speak out have a responsibility to articulate the radical analysis necessary to understand the problems and begin to identify solutions.

To think apocalyptically is not to give up on ourselves, but only to give up on the arrogant stories ? religious and secular ? that we modern humans have been telling about ourselves. Our hope for a decent future ? indeed, any hope for even the idea of a future ? depends on our ability to tell stories not of how humans have ruled the world, but how we can live in the world.

We are all apocalyptic now, whether we like it or not.

Source: http://carolynbaker.net/2013/02/08/rationally-speaking-we-are-all-apocalyptic-now-by-robert-jensen/

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Sooty ships may be geoengineering by accident

GEOENGINEERING is being tested - albeit inadvertently - in the north Pacific. Soot from oil-burning ships is dumping about 1000 tonnes of soluble iron per year across 6 million square kilometres of ocean, new research has revealed.

Fertilising the world's oceans with iron has been controversially proposed as a way of sucking carbon dioxide out of the atmosphere to curb global warming. Some geoengineers claim releasing iron into the sea will stimulate plankton blooms, which absorb carbon, but ocean processes are complex and difficult to monitor in tests.

"Experiments suggest you change the population of algae, causing a shift from fish-dominated to jellyfish-dominated ecosystems," says Alex Baker of the University of East Anglia, UK. Such concerns led the UN Convention on Biological Diversity (CBD) to impose a moratorium on geoengineering experiments in 2010.

The annual ship deposition is much larger, if less concentrated, than the iron released in field tests carried out before the moratorium was in place. Yet because ship emissions are not intended to alter ocean chemistry, they do not violate the moratorium, says Jim Thomas of the ETC Group, a think tank that consults for the CBD. "If you intentionally drove oil-burning ships back and forth as a geoengineering experiment, that would contravene it."

The new study, by Akinori Ito of the Japan Agency for Marine-Earth Science and Technology, is the first to quantify how shipping deposits iron in parts of the ocean normally deficient in it. Earlier models had assumed that only 1 to 2 per cent of the iron contained in aerosols, including shipping emissions, is soluble in seawater, so the remaining 98 to 99 percent would sink to the bottom without affecting ocean life. But Ito found that up to 80 per cent of the iron in shipping soot is soluble (Global Biogeochemical Cycles, doi.org/kdj). As this soot rapidly falls to the sea surface, it is likely to be fertilising the oceans.

In the high-latitude north Pacific - a region that is naturally iron-poor and therefore likely to be most affected by human deposits - ship emissions now account for 70 per cent of soluble iron from human activity, with the burning of biomass and coal accounting for the rest. Shipping's share will rise as traffic continues to grow and regulations restrict coal and biomass emissions.

Can we learn anything from this unintentional experiment? Baker thinks not. "The process isn't scientifically useful," he says, because the uncontrolled nature of the iron makes it difficult to draw meaningful comparisons.

The depositions are unlikely to be harmful at current levels, he says, but "given the uncertainties, I just don't know how much these iron emissions would have to increase before there was demonstrable harm to an ecosystem, or benefit in terms of carbon uptake, for that matter".

This article appeared in print under the headline "Ships inadvertently fertilise the oceans"

If you would like to reuse any content from New Scientist, either in print or online, please contact the syndication department first for permission. New Scientist does not own rights to photos, but there are a variety of licensing options available for use of articles and graphics we own the copyright to.

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OUYA promises quick game approval process, reviews start by the end of February

OUYA CEO Julie Uhrman's promising a quick, simple approval process for games on her company's upcoming Android-powered game console, the OUYA. She told us in an interview this week:

"It's similar to mobile: they'll submit their games, and we'll review for intellectual property infringement, and malware, and excessive pornography. But ultimately it's a quick review and you're in the storefront in one capacity or another."

That's not the only mobile model OUYA's following; Urhman already said the OUYA hardware will iterate on an annual basis, similar to the mobile market.

Despite the console's impending March launch to Kickstarter supporters, OUYA's yet to begin reviewing games for its storefront. "We literally just opened the ability for developers to upload their games into the store," Uhrman explained. The review process isn't too far off, however -- she's predicting a "middle-to-end of this month" timeframe. "We're building that right now," she said, when asked who's staffing that approvals process. "We are a start-up like any other start-up, it's just-in-time business."

The first consumer-ready OUYA consoles are planned for a March launch, with availability at retail to follow in June. The $99 console made a big splash on Kickstarter, eventually raising over $8.5 million when the original goal was a meager $950K.

Filed under: Gaming, HD

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Source: http://feeds.engadget.com/~r/weblogsinc/engadget/~3/Kg4cEvXexDg/

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HBT: Hernandez, M's on verge of $175M extension

Bob Nightengale of USA Today reports that?Felix Hernandez and the Mariners have agreed to a seven-year, $175 million contract extension. ?The contract will make him the highest paid pitcher in baseball history, both in overall contract and in average annual value.

The Mariners will tear up his current deal, which was to pay him $19.5 million this year, and replace it with the new one. It will pay him, on average,?$25 million a year through 2019. It?s not known yet if the contract amount increases over time or if it?s a flat $25 million a year.

Hernandez is 98-76 with a 3.22 ERA and 1,487 strikeouts and 480 walks in 1620.1 innings across eight seasons. ?But of course, he still doesn?t turn 27 until April. ?This deal, therefore, only take him into his age 34 season. ?If he holds up physically, he may get another?sizable?deal before he?s through.

Source: http://hardballtalk.nbcsports.com/2013/02/07/felix-hernandez-mariners-on-verge-of-a-175-million-contract-extension/related/

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Marco Rubio Time Magazine Cover Sparks Reaction From GOP Senator

Addressing The Republican National Convention

Florida Senator Marco Rubio addresses the Republican National Convention in Tampa, Fla., on Thursday, Aug. 30, 2012. (AP Photo/J. Scott Applewhite)

At The Republican National Convention

Sen. Marco Rubio, R-Fla., is surrounded by reporters during a tour of the convention floor at the Republican National Convention in Tampa, Fla., on Wednesday, Aug. 29, 2012. (AP Photo/J. Scott Applewhite)

Playful On A Romney Bus Tour

IN FLIGHT, FL - AUGUST 13: U.S. Sen. Marco Rubio (R-FL) pretends to throw an orange as Republican presidential candidate and former Massachusetts Governor Mitt Romney looks on aboard his campaign plane on August 13, 2012 en route to Miami, Florida. Mitt Romney continues his multi state bus tour after announcing Rep. Paul Ryan (R-WI) as his running mate. (Photo by Justin Sullivan/Getty Images)

At The Elton John AIDS Foundation and UNAIDS Breakfast

WASHINGTON, DC - JULY 24: (L-R) U.S. Senator Marco Rubio (R-FL), UNAIDS Executive Director Michel Sidibe, and Sir Elton John meet after The Elton John AIDS Foundation and UNAIDS breakfast at the Russell Senate Office Building on July 24, 2012 in Washington, DC. (Photo by Michael Kovac/Getty Images for The Elton John AIDS Foundation)

Campaigning For Mitt Romney

Sen. Marco Rubio, R-Fla., signs a Romney sign for a supporter at a rally for presidential candidate Mitt Romney at C.C. Ronnow Elementary School in Las Vegas Saturday, July 28, 2012. (AP Photo/Las Vegas Review-Journal, John Locher) LOCAL TV OUT; LOCAL INTERNET OUT; LAS VEGAS SUN OUT

With Mel Martinez At NALEO Conference

Former Sen. Mel Martinez, left, R-Fla., greets Sen. Marco Rubio, R-Fla., after he introduced him at the NALEO (National Association of Latino Elected and Appointed Officials) conference, Friday, June 22, 2012, in Lake Buena Vista, Fla. (AP Photo/John Raoux)

At The XIX International AIDS Conference

Rep. Barbara Lee, D-Calif., accompanied by Sen. Marco Rubio, R-Fla., speaks during a session entitled: 'The U.S. Congress and the Global AIDS Epidemic" Wednesday, July 25, 2012, at the XIX International AIDS Conference in Washington. (AP Photo/Carolyn Kaster)

At the Council on Foreign Relations

US Senator Marco Rubio, R-FL, speaks at the Council on Foreign Relations May 31, 2012 in New York. AFP PHOTO/Stan HONDA (Photo credit should read STAN HONDA/AFP/GettyImages)

Addressing the Latino Coalition's Small Business Summit Luncheon

WASHINGTON, DC - MAY 23: Sen. Marco Rubio (R-FL) speaks to the Latino Coalition's annual economic summitt on May 23, 2012 in Washington, DC. Rubio spoke after Republican presidential candidate Mitt Romney addressed the same group. (Photo by Win McNamee/Getty Images)

Unveiling the bipartisan Startup Act 2.0

WASHINGTON, DC - MAY 22: Sen. Marco Rubio (R-FL) (C) speaks during news conference with America Online co-founder and member of the President's Council on Jobs & Competitiveness Steve Case (L) and Sen. Jerry Moran (R-KS) at the U.S. Capitol May 22, 2012 in Washington, DC. Cas and the senators held a press conference to unveil the bipartisan Startup Act 2.0. (Photo by Chip Somodevilla/Getty Images)

Questioned by Marvin Kalb

WASHINGTON - APRIL 25: Brookings guest scholar Marvin Kalb (L) questions Sen. Marco Rubio (R-FL) after an address on American foreign policy at the Brookings Institution on April 25, 2012 in Washington, DC. Rubio is widely considered to be a possible running mate for Republican presidential candidate Mitt Romney. (Photo by Brendan Hoffman/Getty Images)

Campaigning with Mitt Romney

ASTON, PA - APRIL 23: Republican presidential candidate and former Massachusetts Gov. Mitt Romney (R) arrives before a town hall during a campaign stop with Florida Sen. Marco Rubio (L) at Mustang Expediting April 23, 2012 in Aston, Pennsylvania. Romney continues his campaign as the presumptive GOP candidate the day before the Pennsylvania primary. (Photo by Jessica Kourkounis/Getty Images)

Activists Protest Rubio's Support Of "Stand Your Ground" Law

MIAMI, FL - APRIL 09: Caterina De Quesada and other supporters of Trayvon Martin gather for a rally in front of Florida Senator Marco Rubio's (R-FL) office to ask him to retract his support for Florida's so called 'Stand Your Ground' gun law following the Trayvon Martin killing on April 9, 2012 in Miami, Florida. Martin was killed by George Michael Zimmerman on February 26th while Zimmerman was on neighborhood watch patrol in the gated community of The Retreat at Twin Lakes, Florida. (Photo by Joe Raedle/Getty Images)

Protesting Rubio's policies on immigration

Felipe Matos(C), a college student from Miami, Florida along with other protesters denounces Republican Senator Marco Rubio, a possible vice presidential candidate running with Mitt Romney, outside the US Capitol building in Washington, DC on March 1, 2012, for Rubio's policies that they say are too tough on immigrants. As Republican presidential frontrunner Mitt Romney secured his lead this week with primary wins in Michigan and Arizona, Rubio is emerging as his most likely vice presidential candidate. Rubio, (R-FL) supports laws that would crack down on illegal immigration. AFP PHOTO/TOM RAMSTACK (Photo credit should read Tom Ramstack/AFP/Getty Images)

Senate GOP And Democrats Discuss Supreme Court Oral Arguments On Affordable Care Act

WASHINGTON, DC - MARCH 27: Sen. Marco Rubio (R-FL) (L) and Florida Attorney General Pam Bondi participate in a news conference about the Supreme Court's second day of hearings on the constitutionality of the Patient Protection and Affordable Care Act March 27, 2012 in Washington, DC. Bondi and 25 other attorneys general brought the case before the Supreme Court. Both Republicans and Democrats paid close attention to the questions and statements by Justice Anthony Kennedy during the court proceedings. (Photo by Chip Somodevilla/Getty Images)

On the Senate Foreign Relations Committee

WASHINGTON, DC - FEBRUARY 28: Senate Foreign Relations Committee members Sen. Marco Rubio (R-FL) and Sen. James Risch (R-ID) talk while U.S. Secretary of State Hillary Clinton testifies before the committee about the department's FY2013 international affairs budget February 28, 2012 in Washington, DC. Clinton faced questions ranging from the cost of embassies in Iraq and the Middle East to the START Treaty with Russia. (Photo by Chip Somodevilla/Getty Images)

At CPAC 2012

WASHINGTON, DC - FEBRUARY 09: Sen. Marco Rubio (R-FL) delivers a speech titled, 'Is America Still an Exceptional Nation?' during the annual Conservative Political Action Conference (CPAC) February 9, 2012 in Washington, DC. Thousands of conservative activists are expected to attend the annual gathering in the nation's capital. (Photo by Win McNamee/Getty Images)

Being greeted at the 2012 Latino Coalition annual economic summit

Sen. Marco Rubio, R-Fla. is greeted at the Latino Coalition annual economic summit, Wednesday, May 23, 2012, at the U.S. Chamber of Commerce in Washington. (AP Photo/Evan Vucci)

With David Rivera, Republican candidate for Congress

FILE - In this Republican U.S. Senate candidate Marco Rubio, left, talks to reporters as David Rivera, Republican candidate for Congress, right, looks on in Miami. Rubio's relationship with fellow freshman lawmaker Rivera, now facing a federal probe into tax evasion, and a credit card controversy surfaced during his 2010 Senate campaign and didn't have much effect. But that doesn't mean the country as a whole would overlook such eyebrow-raising issues, if Rubio were to show interest in the No. 2 slot on the presidential ticket this year. (AP Photo/Alan Diaz, File)

Ceremonial Swearing-In Held For New Congress Members

WASHINGTON - JANUARY 5: Senator Marco Rubio (R-FL) waits with his mother-in-law Maria Elena Fleites (L), son Anthony (2L), daughter Amanda (2R) and son Domonick (R) for the Senate Subway after a ceremonial swearing-in in the Old Senate Chamber of Capitol Hill January 5, 2011 in Washington, DC. Returning Senators and freshman were sworn in today as the 112th Congress began its session after the 2010 midterm elections. (Photo by Brendan Smialowski/Getty Images)

At news conference with Senators Lieberman and McCain on Syria

WASHINGTON - MAY 11: U.S. U.S. Sen. Marco Rubio (R-FL) (L) listens to Sen. John McCain (R-AZ) (R) speak during a news conference about the crisis in Syria May 11, 2011 on Capitol Hill in Washington, DC. Lieberman and Rubio will introduce a resolution to calling on the U.S. government to have a tougher stance in the crisis in Syria. (Photo by Alex Wong/Getty Images)

Republican Senators Introduce FY2012 Budget Proposal

WASHINGTON, DC - MAY 10: Sen. Marco Rubio (R-FL) (2nd L) answers reporters' questions during a news conference to introduce a balanced budget proposal with (L-R) Sen. Mike Lee (R-UT), Sen. Jim DeMint (R_SC), Sen. Ron Johnson (R-WI), and nd Sen. Pat Toomey (R-PA) at the U.S. Capitol May 10, 2011 in Washington, DC. Toomey said the proposal will balance the federal budget by 2020. (Photo by Chip Somodevilla/Getty Images)

Source: http://www.huffingtonpost.com/2013/02/07/marco-rubio-time_n_2637926.html

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