if you take one move, you have to know what the others involved will do in response and be able to evaluate it in that way. that conversation, i hope, is going on in "the situation room" right now. >> final question, totally unrelated matter. the president's decision to order national guard troops to the u.s. border with mexico right now. what's your reaction? >> there's a law where the military cannot serve in civilian law enforcement positions. they can serve in support positions. we've done this before. we did this in 2010. we did this in the bush years and the guard can only serve in support situations. the president is right to note that illegal apprehensions are down significantly from where they were 17, 18 years ago. we ought to be focusing on the push factors in central america that lead women and children to come to the united states in the first place. >> put your -- you've served in