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Microsoft founder Bill Gates, his wife Melinda French Gates and British Prime Minister David Cameron at the World Economic Forum on January 28, 2011, in Davos, Switzerland. Johannes Eisele/AFP/Getty Images hide caption

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President Barack Obama said he was open to improvements to the health overhaul law during his State of the Union speech earlier this week. Brendan Smialowski/Getty Images hide caption

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Bacon is cut from the pig's belly, and is one- to two-thirds fat. Justin Sullivan/Getty Images hide caption

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A traveler passes an automated external defibrillator at O'Hare International Airport in Chicago. Tim Boyle/Getty Images hide caption

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House Budget Committee Chairman Rep. Paul Ryan (R-WI) presides at a hearing on the fiscal impact of health overhaul on Capitol Hill. Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP

Three examples of proposed warning graphics that will appear on cigarette packaging as part of the government's new tobacco prevention efforts. Evan Vucci/AP hide caption

itoggle caption Evan Vucci/AP