In his second show back from a long summer off, Jon Stewart took on the “Groundhog Deja Clusterf@#k” that is the debate over military action in Syria. Stewart had a particularly good time ribbing Sen. John McCain for his unabashed iPhone poker play during yesterday’s Senate hearings. “Hey, man, is this possible global conflagration interrupting your video poker time?” Stewart asked McCain. “You know what, Senator? Go. There’s a rascal scooter and a bucket of quarters with your name on it over at the Golden Nugget… Instead of playing pretend poker in the actual Senate, go to an actual casino…