nd amen.ies and gentlemen, please stand as we retire the colors. >> some members of the kennedy family paid their respects on the 509s anniversary. among them was jean kennedy smith, a sister of president yind who was u.s. ambassador to ireland. she was joined by her son and ther family members. >> yesterday was the 50th anniversary of the assassination of john f. kennedy. the library ony at and museum in boston. his is about 45 minutes. >> a man may die, nations may rise and fall, but an idea ives on. >> the new frontier of which i speak is not a set of promises. it is a set of challenges. it sums up not what i intend to offer the american people, but what i intend to ask of them. it appeals to their pride, not their pocketbooks. it holds out the promise of more sacrifice instead of insecurity. i tell you the new frontier is here, whether we think it or not. beyond that frontier, are the uncharted areas of science and space, unsolved problems of peace and war, unconquered pockets of ignorance