third country agreement whereby migrants would be required to seek asylum in the first country that they hope as opposed to waiting until they actually get to united states. but, you know, the white house is billing in the as a win, so is mexico, and the president really needed a win here. he's been struggling to implement his immigration policies on capitol hill. he hasn't been able to build the wall with mexico and get them to pay for it, so now heading into 2020 he is able to really point to something as something concrete and also say that his hard-line negotiating tactics are actually working. arthel: and, you know, you laid out some of the things that are going to happen there on the mexican side. how do we know if the mexican troops at its border with guatemala is going to work? how will we know? >> that is a good question. they will be on a sort of 90-day trial period. they have three months to implement their end of the bargain, and so they have to keep that up in order to...