Military funds irder to build xico. And he announces a controversial agreement with guatemala to force people traveling through that country. Breaking that weekend, the president launches a twitter attack on another minority member of congress and his home district in baltimore. This time the target is eli i cant cummings a powerful Committee Chair than who criticized the detention center. Whats that about . Brennan well talk with acting white house chief of staff and top democrat on the ten at intelligence committee, mark warner. Ahead of the primary debates well talk to two candidates who got a bump from the last one cae williamson. National security correspondent looks at the build up of the persian gulf and well have analysis on all the news of the week just ahead on face the nation. Good morning, welcome to face the nation. We begin with acting white house chief of staff, Mick Mulvaney. Good morning, good to have you here. Good morning. The president has tweeted 13 times in the pa