i'm wolf blitzer. you'p you're you're in " tonight, donald trump democraten station of the gop presidential race grows stronger marking the unfortunate end of summer and the campaign gets more serious. new polls give trump commanding leads in iowa and new hampshire. the states that hold the first two contests of this primary season. on the democratic side, hillary clinton front-runner status is taking a serious new hit in iowa, and in new hampshire, bernie sanders now is number one. surging ahead of clinton. also tonight -- the hunt for a brutal drug lord who tunnelled his way out of jail. investigators are cloesely examining a photo posted online. could be a critical clue to his whereabouts or a cunning diversion. analyst and nudnewsmakers stand