U.S.A. Today weighs in on the 10 best (American) commencement speeches, as collected by Christina Negrut of graduationwisdom.com. The story includes short excerpts from each of the ten, which serve in this cap-and-gown season as a kind of Coles Notes on graduation. Perfect for those who were too hung over to remember their commencement, for those who never bothered to graduate, and for those who just need a bit of inspiration. Carpe Diem!