President Barack Obama tries to catch a basketball as Gerry McManus, 13, of Hudson, Mass., watches, during a tour of the 2014 White House Science Fair exhibits that are on display in the State Dining Room at the White House in Washington, Tuesday, May 27, 2014. McManus and two other students showed Obama their basketball catapult. Obama was celebrating the student winners of a broad range of science, technology, engineering and math (STEM) competitions from across the country. (AP Photo/Susan Walsh)
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