would have dramatically changed the paradigm on january 6th. we're joined by andrew mccabe. cnn's senior law enforcement analyst and author of the book, the threat. how the fbi protects america in the age of terror and trump. andrew, how differently do you think january 6th would have gone if all available intelligence was properly disseminated in advance, which this whistleblower claims simply did not happen? >> well, wolf, i think that understanding the intelligence from every angle, right, what intelligence did the agencies collect? how did they share it with each other and what decisions did they make? what assessments did they make as a result of that, that is the key to not only understanding january 6th, but making sure this sort of failure doesn't happen again. if the agencies like dhs and the fbi and the capitol police hope to get better at what they do, and that should be the goal here, right, to be better at