Last week, Bill Maher pulled of his bold two-parter, doing a live version of this show from Washington, D.C., then being escorted across the city to do a full standup comedy act, also live. He not only juggled those feats nicely, but in the second venue, he proved he’s still one of the best at shutting down unwanted hecklers. Tonight’s guests, with the show back in its home base of Los Angeles, include Gen. Colin Powell and actor Wendell Pierce.