but if there are questions about whether the state department and cia had infighting in the middle of something that was awful that had been occurring on the ground, whether there are questions whether there should have been more air support given at the time, i mean, these are issues that the internal investigation looked at. but i think it's also -- it also makes sense for congress to take a look at it in a larger context. >> gloria borger, thank you very much. >> sure. >> when the diplomats in benghazi were attacked, the u.s. military did not come to the rescue. they say they were not able to. coming up, we have an exclusive look at how the marines are making sure that they will be ready next time. and also coming up next, the irs embarrasses the white house by admitting a mistake. i started a week ago going pro with crest pro-health. since i've been using crest pro-health, i've noticed a huge improvement. [ male announcer ] go pro for a clean that's up to four times better, try...