Obama to graduates at Kalamazoo Central High: Work hard to help society

"What if our Founding Fathers had said, 'You know, colonialism is kind of oppressive, but I’m doing okay, my family’s doing all right, why should I spend my summer in Philadelphia arguing about a Constitution?' "

– President Barack Obama, in Monday's commencement speech at Kalamazoo Central High School in Michigan, which won the president's "Race to the Top High School Commencement Challenge." The speech emphasized personal responsibility and perseverance.