In trumps ukraine defense. Also, keeping an eye on iowa. 2020 democrats are making their pitch for a big union ahead of the largest democratic debate in history. The question, will Bernie Sanders take the stage after his health scare . The news that we learn from the senator today. But we begin with the major breaking news on the syrian turkish border. The situation, were told, rapidly deteriorating by the hour. You see the location right there at the edges of the middle east. This is day five of turkeys attack on u. S. Allies, and now nearly 1,000 american troops were told today are prepared to evacuate syria entirely. According to defense secretary, the active one, mark esper. Plans for that withdrawal are now accelerating as Turkish Forces seize control of a second keyboarder town. Word today that hundreds of isis supporters have escaped from a camp in Northern Syria amid the chaos. Lets head over to matt bradley who is there in erbil in the region. And matt, what more do we know ab