President Barack Obama speaks in the East Room at the White House in Washington, Thursday, May 29, 2014, during the White House Healthy Kids and Safe Sports Concussion Summit. Obama was hosting a summit with representatives of professional sports leagues, coaches, parents, young athletes, researchers and others to call attention to the issue of youth sports concussions. Pictured from left to right: LaVar Arrington, former NFL linebacker; Victoria Bellucci, a high school soccer player from Huntingtown, Md.; Taylor Twellman, former professional soccer player; Gen. Ray Odierno, Chief of Staff of the United States Army. (AP Photo/Charles Dharapak)
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