university, and coauthor of "the nixon tapes" 1971 to 1972. i'm watching ronald reagan, and what an iconic speech that was. it isn't the first time we have heard a president pull from the reagan playbook. for this democrat, joe biden, what do you make of his choice to evoke that famous speech and the particular device of linking events to today? >> well, it was essential for joe biden to link it to ronald reagan, because reagan went there, and gave really one of the best speeches in presidential history june 6th of 1984. the speech was classic, biden stood at the same spot. these were the u.s. army rangers, second rangers of division that came and climbed the cliffs 100 feet straight up to destroy with grenades and gun-to-gun combat, destroyed