By Tobias Carroll Bill Maher has found the Oscars to be a reliable target for satirical barbs in recent years. So it’s not all that surprising that this week’s episode of Real Time began with a few digs at the expense of Will Smith. “The whole ‘keep my wife’s name out of your mouth’ thing didn’t really work out,” Maher said wryly. This, in turn, led to a series of jokes about Smith being potentially banned from attending the Oscars. “What’s the punishment?” Maher asked. And from there, Maher also made sport of how ubiquitous the story of Smith’s slap had become. “Other things are going on in t…