nato also took the decision last week to move some additional nato military assets closer. but remember, this is to monitor the arms embargo that the u.n. put in place as well as to provide humanitarian assistance if needed. we have been running a lot of humanitarian flights, refugees out of libya who are in tunisia getting them back to egypt. >> do we have the personnel to enforce a no-fly zone for a significant period of time? >> i don't think this has e.ver been a question of can we do this. although we have significant commitments elsewhere around the world, secretary gates has made 8 bund and thely clear that we can do this. nato and other members would be contributing as well. this is not a question of can, it's a question of whether we should. that's a decision the president will make at some point. >> general petraeus who is commander for the war going on in afghanistan, he is in town all week, reports has a meeting with the president today, will testify on capitol hill. what is he going to say about