a rush by those people that try to get in. what opponents say, refugee halts, the four months prohibition on refugees entering the u.s., that couldn't have been done by the last minute for people trying to sneak under the ban. it's a lengthy process. upwards of a year. but at the same time, trump's white house aides are saying that this is the kind of thing they need to do to really clamp down without allowing people to circumvent the rules. >> shepard: is there recourse for those that believe this is the wrong thing to do? >> the trump administration has given some latitude to the cabinet secretaries to allow for exceptions in the event that they're needing. what is inclear is how frequently they will be given, whether they will go to the top and get bogged down in the bureaucratic hurtles or whether it's an outlet for the ban. >> shepard: former president