administration. before nato commander, i was in charge of all military operations, security operations south of the united states so i know this terrain pretty well, joe. part of why that drop occurs is because of our work in mexico, in central america with the governments there to try and alleviate the violence problems that drive an enormous amount of this illegal migration. so the solutions as everyone has said this morning is not to build the great wall of china across our southern border, but rather to work with the nations in the south. we have a shared interest here in reducing this kind of violence. that's part of why that drop occurred throughout the period you correctly point out. steve ratner has it exactly right. this is about working the security south of us so we don't create another crisis which can