Tonight in Miami, the Oklahoma Sooners and Florida Gators will play for the American college football championship. If Florida wins, it will be due to the play of quarterback Tim Tebow. He is arguably the best player in college football, and, more than that, an important cultural phenomenon. In 2007, Tebow was the first sophomore ever to win the Heisman Trophy, awarded to the most valuable collegiate football player in the nation. He was a runner-up this year for the Heisman; the winner was Sam Bradford, the Oklahoma quarterback who will face Tebow tonight. In only three years of college...