with me is peter bergen, who has an op-ed on cnn.com about the president's war with his generals. clearly the president is peeved over mattis' departure and how it all went down with that resignation letter. they were not able to see eye to eye on syria or afghanistan for that matter. but what do you make of the president's criticism? >> it's startling because go back two years, jim mattis, a retired four star, secretary of defense, john kelly was four star, secretary of homeland security and chief of staff, mike flynn, retired lieutenant general was national security security adviser when he left, mcmaster also a three-star general, hired as national security adviser. the place was rife with the kind of leading military figures of the generation. now president trump has really attacked mattis personal lly in his press conference, saying he fired him, which sun true. he essentially got rid of john kelly, and getting rid of james matt mattis. he's had a spat with admiral mccraven and it hard to think of a leading military leader that he hasn't been in a war of words with in the las