President Barack Obama shakes hands with students in Woolen Gym prior to his speech as he visited the campus of University of North Carolina in Chapel Hill, N.C., Tuesday April 24, 2012. Obama told thousands of students at the university that he wants Congress to keep the costs of a college education in check, reaching out to young people in a state expected to figure heavily in his re-election bid. (AP Photo/The News & Observer, Chuck Liddy, Pool)