and that's just going to get a lot worse. all of this we saw during the kosovo war. >> general marks, you've been to battle. going into battle, do you ever -- do you always believe it could be much worse than anticipated? >> anderson, that's the only contemplation you make if you're worth anything and you're a military planner. there is never a guaranty that the outcome is going to look like anything you've drawn up. >> we've got to leave it there. all of this comes as the obama administration is in the thick of a full court press behind closed doors for military action in syria. just days left to make their case before next week's votes in the house and the senate and the g-20 summit in st. petersburg the issue loomed large. president obama and president putin smiled for cameras, but they won't be meeting one on one during the summit. back home, u.s. lawmakers are fanning out.