CNN CNN Newsroom Live July 28, 2015 04:39:00
Vice president was the one for the first several weeks was going to be at a remote. it secure location. >> reporter: john hanna says there were several other secure locations as well. >> hanna says the gravity of what happened didn't really sink in at the white house until the next day when information was obtained on who the hijackers were. how many more terrorists might have still been inside the united states plotting. the realization of how little they had known about who their enemy was until that day. bryan todd, cnn, washington. >> looking at those photographs, it brings all those emoti...
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