dr. larry aryn is president of hillsdale michigan and college. -- with us. ing us former secretary, and ashton carter and joint chiefs of staff general joe doneford were part of the sermony. you can see that at 8:00 p.m. eastern here on crsks span. >> with congress in recess american history programs are airing on primetime. look for our histories feature including a three day vet unanimous war summit from the lyndon b. johnson. a 15 anniversaries retrospective on the country. tonight the. the soldiers battle with physically and psychological trauma and a conversation with henry kissing zwrer. >> it was written on a president who all his life had been known as concerned threat mentally for domestic policy was and in the 80 division of the country. it's the last. a conversation with filmmakers ken burns and. by the time we got four or five decades away where the historical triangle lation can actually place so he can distance him. not just to make it realityive but something that is hopefully greater than some of ilingts pars. you begin to realize that almost