he is passed over for promotion originally when acheson what acheson doesn't doesn't accept him at first, he's initially passed over to be the deputy to george kennan, the policy planning staff. he's passed over for seven or eight other really big jobs throughout, his career and i think that there's something inspiring about, his resilience and willingness to keep with it. but in terms of the profession, retire and military officers at the end of world war two moved up in rank. foreign service moved on to next posting. nixon had no real career set for him in the national security act of 1947. doesn't really create a cadre of national security professionals. so what i say in the book, if it's as a generalist, somebody who is willing to learn, willing to embrace all of the things all of the components of national security planning that he really a way to thrive and, succeed and stay in the game. right and comes through really clearly and i want to sort of go back and forth between it says impact and then the career for that. i think as you just pointed out, i mean, the longevity of it. you