at ha dim karzai airport. we should transition that program to one that uses diplomatic channels. we're going to be able to get all americans who want to leave out before august 31st. the question of bagram air base in particular is one that troubles me, too. it's why i've called for a thorough after action review both by the administration as well as congressional oversight not just of the withdrawal but of the entire conduct of the 20-year war in afghanistan. we need to understand and declassify the decision-making around national security and we need to know whether the transition out of bagram air base was made in haste. >> that is important. it's also in the past. i was asking specifically you're opposed to any efforts to maybe go back and retake bagram at this point? >> to be clear, i'm opposed to any sustained counterinsurgency efforts in afghanistan, nation