With his public comments the last few weeks, " Two and a Half Men " star Charlie Sheen has essentially been daring CBS and Warner Bros. to put him out of work. Thursday night - after his latest, strangest radio rant - his bosses called his bluff, shutting down production for the rest of this season. And after the events of the last few hours, it's hard to imagine how the show could come back next year with Sheen as its star. Earlier today, Sheen appeared on "The Alex Jones Show" and, among other things, used the anti-semitic slur "Hymie" to describe boss...