February 02, 2010 The Fat Lady Sings for Keith Olbermann By Stuart Schwartz "It ain't over until the fat lady sings." The fat lady is doing more than singing for Keith Olbermann. And, like most of the other women in the life of MS-NBC's premiere leftist sexist, she's not interested in dating him. Rather, she merely wishes to see his well-padded bottom fade into the distance. In sports broadcasting, where Olbermann worked for twenty years, the phrase -- picked up from opera -- signifies the end of the game, the last minutes when hope of revival is past and fans...