20 Questions: Jon Stewart

20 Questions: Jon StewartHe is so determined to distinguish his show from the glut of talk programs that he stripped to his underpants for a publicity poster that appeared on walls all over New York. Jon Stewart admits the parody of a Calvin Klein underwear ad was embarrassing ("I'm not exactly buff"). And in it, the man who confesses to preferring women who look like Cindy Crawford posed with a waif model, no less. But the talk show experience hasn't been too painful for Stewart. Craw...