michael, you want to chime in on this as well. but duncan mentioned that after the first year of the pena nieto administration, there was a single window. and that was somewhat back from the high point of the felipe calderon administration. you talk about it from the perspective of homeland security. have we overcome that first year and gone beyond, or what is the homeland security perspective on that? >> so two things. the first is from a homeland security perspective actually the change in administration almost had no effect on our relationship. because the types of things that were challenging for the government of mexico at that time were primarily sort of the hard law enforcement types of activities, sort of the deas and the atfs, that type of engagement was the stuff that was particularly challenging. what we were engaging on was facilitating commercial trade and travel, which is something they had not only a desire to continue at the current rate, but actually to expand. so while at the beginning of the pena nieto administration there was largely a lull in the types of hard security engagement, that didn't touch the department o