Why not? Such ridiculous scenarios seem far less so in the wake of recent news. Namely, renewed accusations that Bill Cosby is a serial rapist. Bill Cosby, the genial, avuncular comic who has made us laugh forever. Bill Cosby, the sleek secret agent who wisecracked with Robert Culpas they fought the Cold War on "I Spy."Bill Cosby, the wise, warm, witty father on "The Cosby Show," the '80s sitcom that resurrected sitcoms, saved NBC and made him America's Dad. Bill Cosby, the friendly pitchman for Jell-O, Coca Cola and old school values, the door-opening pioneer who helped make possible the likes of Chris Rock,Denzel Washington and Jamie Foxx.