who they needed to be aware of. that he could not get on a plane, for instance, and travel to the united states. it appears accord to information that we reported here on cnn, he used various identities. so it's not clear exactly which of these identities the u.s. was aware of. we now know from talking to officials that the u.s. community was aware of him, they put him on a no fly list before this attack occurred. >> all right, ev an perez, than you so much for that update. the obama administration said today it would end a program once used to track mostly arab and muslim men. it is a program that donald trump has suggested he is considering resurrecting. i want to discuss this now with andy card, he served as chief of staff to president george w. bush. andy, thanks so much for being with us today. you're someone who can speak about this in a very informed manner. this program, for national