If you believe in equal opportunity in sport, Tuesday might have been the saddest day in the history of American college football. I was in a state of disbelief when Dr. Fritz Polite, my colleague at the University of Central Florida, e-mailed me that Ty Willingham had been fired from the University of Notre Dame. I thought he was joking. Dr. Polite knows how closely I follow the situation of the dearth of African-American head coaches in Division I-A football.