what is this barrier going to look like along portions of the rio grande? >> it's going to be quite short. the first leg is six miles. much shorter than the wall trump is talking about on the campaign trail. it's going to be on a levee to the height of the existing levee, plus steel on top of concrete. some people might argue this is not trump's wall because it's want the prototypes he unveiled earlier in his term. it's concrete and a barrier so i think that's good enough for trump to say he's building a wall. >> what percentage do you think at the end of term one of the trump presidency could be completed of his promise from sea to shining sea? >> it's hard to offer a precise number, but i think it's clear at this point. at least at the end of this first term it's going to be quite small. democrats are not willing to fund much of it. he's had to wring funding for some kind of fencing out of them. it's just not happening. >> let's talk about another