As his lawyer fought with Piers Morgan on CNN, Herman Cain granted an extended interview to longtime friend Sean Hannity tonight, and—in a rare moment of somewhat effective communication—announced he'll decide by Monday whether or not to continue his campaign. The rest of the interview, though, was classic Cain: a giant mess of half-brained half-truths that cause secondhand embarrassment for everyone else. Here are the worst (and therefore best) four minutes.