and, so, i think this can all be done in a very more constructive fashion, if you will. but i do think it's time to get this done and i just got off the phone with general kelly to talk about how we plan to construct this barrier, if you will, a multi layered one with fencing, with air stats, aviation assets, technologies, all put together. and then how much is that going to cost. because at the end of the day, wolf, congress through my committee and the appropriations committee will have to authorize and appropriate the dollars to get it done. >> and general john kelly is the new secretary of home land security. how much is it going to cost? >> well, the estimates right now -- and they're kind of rough ball, but about 12 to $15 billion. >> is mexico -- is it at all realistic, mr. chairman, that mexico will reimburse the u.s. one way or another for that 10 to $15 billion? >> i don't think it's