some have dropped off, many have gone home. some have actually sought asylum in the country of mexico where they have offered people work permits. look, if you want to go somewhere, come here the president of mexico has said. most of those are continuing on. and then there is a second caravan about 3,000 down near the guatemalaen border. brian: i know our military is the best in the world. general mattis is a fine commander but it's going to be so hard, i imagine, and challenging and important to get the coordination down between the national guard that's there. between the regular army -- the regular military that's reporting. and now the border guards that are actually on the front line. i think most importantly, it sends a message, the whole problem with taking the kids away at the border was not we wanted to take kids away. send a message that our borders are not open. we have a system to apply for asylum. what they want to do is get the message to central and south america serious there