It isn't always so friendly. Last year, Mr. Lipson was taunted by some fans of the University of Colorado Buffaloes as he greeted tailgaters at the game with K-State in Boulder, Colo. "I was with two former football players, so we went over and said, 'Be cool. He's all right,' " said Tony kuehl, a 47-year-old alum from Ozawkie, Kan.