Could a President who is polling behind almost all his Democratic challengers really create a dynasty like the Kennedys? His campaign manager says a Trump dynasty is on the way! And Joe Biden is holding up in the polls --but the objects in his rear-view mirror are closer than they appear. A new poll shows Elizabeth Warren with a one point lead over Biden in the critical early states. What are the risks and rewards for the Democratic candidates in this Thursday night’s crucial debate contest? ABC News Political Analyst Alex Castellanos joins Tony to break it down.