Wanda Sykes was once offered what many comics would call the fantasy job—her own nighttime talk show—but she turned it down. Between stand-up gigs, movie roles, and her part on The New Adventures of Old Christine, she was already keeping a lot of balls in the air. So what's this thing called The Wanda Sykes Show that's debuting this week? A talk show, of course. Sykes says that she changed her mind after the watershed with which we've credited just about everything short of gravity: the election of Barack Obama. "With what's going on politically, I just felt it would...