And I'll just, just discuss briefly two of the cases that he uses  and they're, you know, they're, they're old now, I haven't read the most recent edition of his book, he might have updated his case studies but it doesn't really matter  he takes two cases er one relating to erm the conduct of the Korean war in the nineteen fifties, and the other relating to the desegregation of southern schools, also in the nineteen fifties, as examples of presidential power.