>> let me put it this way. talking about the neo? >> let me go back further. in january of this year were you of the opinion in your professional military judgment we should have maintained 2500 u.s. troops and support coalition effort and contractors in afghanistan? >> my assessment that i read in the opening statement remained consistent and -- >> did that professional military opinion change over the course of the next few months? >> not until presidential decision and i rendered my opinions and it was a full debate on all of that. once decisions are made i'm expected to execute lawful orders. >> you've made that very clear. when the troop levels were ordered to be drawn down to zero first stopping 650 as general mckenzie outlined was that your decision or the general's decision to draw down