the kurdish forces and the turkish military. government forces were invited into this city but the kurds because they do fear a major turkish military operation that could lead to more violence against these kurdish forces that were previously backed by the united states. although the u.s. withdrawal will take place the next four months, the trump administration has indicated that america will still participate in the u.s.-led coalition against isis for the time being. heather? >> heather: thanks, trey. thank you. a new year and a lot of new faces in the white house. this is the first day on the job for patrick shanahan who earlier issued his acting memo as defense secretary. president trump chose the former boeing executive after james mattis said he was stepping down. his resignation came after the president called for the withdrawal of the u.s. troops from syria that we just