push and then they get pushed back, once they run into the armour, the tanks and artillery, which they have no answer for, and then if they wait long enough, it seems the jet fighters will come in, nato jets and take out those tanks and armours and that opens the door for the opposition to advance further. bill: thanks to you and your crew in libya, in ras ras lanuf. martha: president obama made his case for military intervention in libya last night, saying the actions he directed was in the u.s. interest. there s been a lot of discussion about whether or not that was the case. and that it has succeeded in preventing a massacre of what he said was, quote, on a horrific scale. listen to this: it s true that america cannot use our military wherever repression occurs. given the costs and risks of intervention, we must always measure our interest against the need for action. but that cannot be an