Finally time for action. Fix the border for once and for all now. National security correspondent Jennifer Griffin has more from the pentagon. Reporter the deployment of 5900 u. S. Troops to the border has led to a lot of lawyers going back and forth to determine what those u. S. Troops are allowed to do. Senior military troops visited for thanksgiving. Most of the unarmed troops have been laying down wire at the border and that job is almost complete. About 400 pms have been shifted from texas to california to protect the Border Patrol facing the arrival of more migrants. But jim mattis, who visited the border recently with the dhs secretary, has made clear the troops are not expected to have contact with any migrants. They are there for backup and do not even have weapons. That is according to mattis and the law, dana. Dana jennifer, what does the new guidance authorize . Theres some confusion on that . In an unusual memo from the white house, the chief of staff john kelly, not the p