the uss cole was a time they came back after missing the uss cull van the year before.another one of those facts that underscores in the counterterrorism community the likelihood that this really is an al qaeda-related attack. >> were you familiar with this other explosive allegation that the u.s. mission in libya asked for greater security but officials in washington denied that, rejected it? is that something you'd heard before? >> i had not heard that, wolf. here's the reason i suspect that the congressmen are asking for documents. likely if such a request was made, it would have been done in a cable in a document. and so there will be a paper trail from the consulate in benghazi to the embassy in tripoli to the state department headquarters and answering it back. now, some of that we know. we do know that there was some minor increase in security presence at the benghazi consulate. i think it's fair to say based on what we know now it was obviously not enough. and the question is going to be as you look into exactly what happened when, what did they know? why didn't