we went there after 9/11 to get bin laden and al-qaeda. and that's largely been done. now we have different threats. but we cannot govern and control their country for them. >> at some point, we either have to win this -- and i think that looks like the government of afghanistan and the military of afghanistan being in control of the entire country. or we have to say, this has been a huge -- rabbit hole is too soft a word for the loss of life. $900 billion spent. it may be the biggest mistake since the vietnam war, perhaps. >> i totally disagree.