another about-face by president trump on syria. plans are being discussed to deploy tanks in eastern syria for the first time. a large number of troops could be needed to operate the tanks, the troops the president just ordered out of syria. sam kiley live near the turkis / border. >> reporter: i think you're right. embedded in your question, what is this all about? from the domestic political agenda, president trump is drawing some of the stings he has received from his own party and criticizing his withdrawal from northern area, in terms of support of the syrian democratic front. they may look at the southern