contingencies for withdrawing them safely. >> how worried should americans be that the 4 our 5,000 americans who are there could get caught up in a saigon evacuation. >> i think we have learned the lessons of benghazi. i don't really see isis taking baghdad. i do think t urgent business to help convene a regional meeting. this could easily be done. a meeting is going on in vienna right now between iraq and the united states. it can be and should be done. the action taken, there needs to be a political track and a military track to stop isis.