Defense Secretary Robert Gates talks with troops during a visit April 7 at Camp Victory in Baghdad. Chip Somodevilla/Getty Images hide caption

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U.S. Rep. Paul Ryan, R-Wis., right, hears from a constituent during a "listening session" Tuesday at Gateway Technical College in Kenosha, Wis. Ryan's plan to fundamentally restructure Medicare and cut social safety net programs has proved to be a tough sell to many Republican voters the last few weeks. Jeffrey Phelps/AP hide caption

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Deputy High Commissioner for Human Rights Kyung-Wha Kang of Korea speaks during a special session of the UN Human Rights Council in Geneva Friday. The council agreed to launch an urgent investigation into Syria's bloody crackdown on protests. Fabrice Coffrini/AFP/Getty Images hide caption

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A Tea Party supporter, left, argues with a critic before a rally where former Alaska Gov. Sarah Palin spoke at the Wisconsin State Capitol in Madison on April 16. Darren Hauck/Getty Images hide caption

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