HBO’s Bill Maher has a live TV show, something of an endangered species, and last night’s show is why. There were a number of hecklers/protesters in the show’s audience. They seem to be of the opinion that Bill Maher should admit that Bush brought down the Twin Towers. Bill Maher laughed a couple of times and tried to carry on with the show, but the hecklers keep right on heckling. He finally stands up and asks “Is there no fucking security in this place?” and goes out to run the hecklers off in person. By the time he gets there,…