Eric Fanning, then the acting secretary of the U.S. Air Force, delivers remarks during a 2013 ceremony at the Pentagon. Fanning has held numerous military posts in the Obama administration. Paul J. Richards/AFP/Getty Images hide caption

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Republican presidential candidate Donald Trump listens to a question during a town hall event Thursday at Rochester Recreational Arena in Rochester, N.H. Darren McCollester/Getty Images hide caption

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President Obama meets with (from left) Oregon National Guardsman Alek Skarlatos, Anthony Sadler and Air Force Airman 1st Class Spencer Stone on Thursday in the Oval Office of the White House. Andrew Harnik/AP hide caption

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President Obama listens to Israeli Prime Minister Benjamin Netanyahu during their March 22, 2013, visit to a Holocaust memorial in Jerusalem. Pablo Martinez Monsivais/AP hide caption

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Kenyan graffiti artist Bankslave created a mural of Barack Obama. The president himself will visit Kenya on Friday. One of the president's agenda items is to promote solar power. Ben Curtis/AP hide caption

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American Journalist James Foley, pictured in 2011. Foley's beheading at the hands of the Islamic State militant group has forced a debate over how the U.S. balances its policy of not paying ransoms. Steven Senne/AP hide caption

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President Barack Obama participates in a "My Brother's Keeper" StoryCorps interview with Noah McQueen in the Roosevelt Room of the White House on Feb. 20. Chuck Kennedy/The White House hide caption

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President Obama, shown speaking at the University Of Kansas on Jan. 22, defends his budget as an exercise in "middle-class economics." But forecasters at the nonpartisan Tax Policy Center say the 60 percent of Americans at the middle of the income ladder will more or less break even, while most benefits will go to low-income families. Jamie Squire/Getty Images hide caption

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Alagarsamy wasn't impressed by President Obama's pledge to improve Internet access in India. The 73-year-old likes to get his news the old-school way: on paper. Wilbur Sargunaraj for NPR hide caption

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U.S. Senate Majority Leader Sen. Harry Reid, shown walking towards the Senate chamber on December 16, pushed through a final batch of judicial nominees this month, before the Republican-dominated Senate takes over in the new year. Alex Wong/Getty Images hide caption

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