joining us now, michael scherer, white house correspondent for "the new york times" and cnn politicalael, do you have any idea what the president is talking about here, what this coming announcement is? because the mexican foreign minister certainly doesn't seem to. >> yeah, it's a bit of a mystery. there's -- you know, the closest that we can get in terms of speculating what he is talking about is an agreement that the american negotiators last week pressed for repeatedly and the mexicans refused, which is a kind of overhaul of the asylum rules that would have forced migrants that are trying to reach the united states to claim asylum to claim asylum first in mexico, and if they don't do that, then the united states would have the legal right to refuse them entirely, saying that you'd have to apply for asylum first there. that's something that the two countries have been fighting about for some time. the mexicans refused to do that. is it possible that since then, they've sort of secretly agreed to do it? that's possible, though, again, asked that, the mexican foreign minister said th