President Obama said he will move some immigration enforcement assets from the interior of the country to the border, part of his effort to fix the immigration system. Chip Somodevilla/Getty Images hide caption

itoggle caption Chip Somodevilla/Getty Images

A bumble bee gathers pollen in September 2007 on a sunflower at Quail Run Farm in Grants Pass, Ore., where farmer Tony Davis depends on them to pollinate crops. Bees are being wiped out by a mysterious condition known as colony collapse disorder. Jeff Barnard/AP hide caption

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Rebel fighters drink tea on the front line of Ramouseh, near the Aleppo Artillery School. President Obama has requested $500 million to arm and train "moderate" Syrian rebel groups. Hosam Katan/Reuters/Landov hide caption

itoggle caption Hosam Katan/Reuters/Landov

President Obama speaks about Iraq in the Brady Briefing room of the White House Thursday. Obama said the U.S. will send up to 300 military advisers to Iraq — but that U.S. forces won't engage in combat with Islamic State in Iraq and Syria (ISIS) militants. Win McNamee/Getty Images hide caption

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Before talking about the situation in Iraq, President Obama bantered with (from left to right) Senate Minority Leader Mitch McConnell, House Speaker John Boehner, Senate Majority Leader Harry Reid and House Minority Leader Nancy Pelosi. Pablo Martinez Monsivais/AP hide caption

itoggle caption Pablo Martinez Monsivais/AP

Hillary Clinton poses for a family photo with former President Bill Clinton, daughter Chelsea, and son-in-law Marc Mezvinsky, after attending Chelsea's Oxford University graduation ceremony last month. Matt Dunham/AP hide caption

itoggle caption Matt Dunham/AP

President Obama delivers the commencement address to the U.S. Military Academy at West Point on May 28. The president has employed U.S. military force much more sparingly in his second term than his first. Susan Walsh/AP hide caption

itoggle caption Susan Walsh/AP

President Obama at the news conference in Brussels at which he was asked if he had second thoughts about how he and his aides handled the Bergdahl deal announcement. British Prime Minister David Cameron is in the background. Charles Dharapak/AP hide caption

itoggle caption Charles Dharapak/AP