files. citing identifiable national security, law enforcement and foreign affairs concerns. >> this is a huge disappointment and a total mess. i mean, you can't imagine a more disorderly release of these documents about a turning point in american history. >> reporter: even as many viewed that day as the end of camelot, today a family of political tradition continues. jfk's daughter caroline was ambassador to japan under president obama. former massachusetts senator ted kennedy's son ted kennedy jr. now a state senator in connecticut. bobdy conditiondy's grandson joe kennedy iii a massachusetts congressman and jfk's name sake, grandson jack, a yale grad who didn't rule out following in his grandfather's footsteps. >> the favorite speech is explaining to america why we should go to the moon. >> we choose to go to the moon in this decade and do the other things, not because they are easy. but because they are hard.