have been vetted jobs. but this carrier, "enterprise" in particular, because of the way it was built decades ago has a very unique nuclear configuration. they are going to look for someone who knows how to deal with it. he will have to be nuclear certified and there are only so many people in the u.s. navy that know this line of work, john. >> barbara starr for us tonight from the pentagon, thanks for that report. joining to us talk this over, retired admiral joe sestak and on the phone, retired general wesley clark. does the pentagon just need to say, sorry, sir, you're done? >> i do think they have to do a full investigation. but that said, a leader so senior sets the example that others imitate if he's good or if he's not good. he also sets the environment for people to feel comfortable. i think this shows such poor judgment that after this is