Peter White Television EditorBill Maher has spent much of the last few months hearing canned laughter after his opening monologue on Real Time with Bill Maher.This week, however, the comedian will hear the reaction of a live audience after the HBO show became the first major talk show to bring back a crowd.This week’s episode of the show, which airs Friday at 10 pm, will tape with a limited 25-person studio audience and will also feature a roundtable discussion in the studio.The show is thought