Dick Vitale didn't even realize he was on the radio. Billy Packer was more concerned about a Duke player being suspended than about a North Carolina player having his nose splattered across his face. Brent Musberger gave away one of the USC quarterback's hand signals. Lee Corso was last seen wearing a mascot head. Anybody for term limits for TV sportscasters? Some would describe these episodes as senior moments, inasmuch as ESPN's Vitale, CBS' Packer and ABC's Musberger are all 67 and ESPN's Corso an even riper 70. The bigger question, of course, is: Why do these four fogies continue...