richard kohn is professor emeritus of history at the university of north carolina. during the 1980s, he was the chief historian for the u.s. air force. and retired colonel andrew bacevich is a research fellow at notre dame's krock institute for international peace studies. we thank you both for joining us. before i begin i have two items to share, late-breaking items in the news on this story. the "new york times" identified the f.b.i. agent in tampa who was originally given the information from jill kelley about threatening e-mails. his name is frederick humphries, ii. he's said to be a veteran counterterrorism investigator. the second item, the associated press is reporting that general john allen is saying he intend to fully cooperate in this investigation and hopes to get to the bottom of it as soon as possible. hopes that authorities do. but colonel andrew basevich, let me start with you. what is your overall reaction to this, to the petraeus story, the potential involvement of general allen-- although we don't know about that. how are you taking this all in in