churchill's line was men will still say this was their finest hour. he was convinced that we were part of a long, overarching story and that britain in its role in standing alone was going to stand out. and really this is the hours, the hinge of history. it's the moment at which -- the moment franklin roosevelt at the sided at tehran in 1943 to go and authorize and push ahead for this operation really was the moment we became a superpower. he sided against churchill, supported stalin in opening a second front. churchill called what happened at normandy the most difficult and complicate d operation that has ever taken place. and it was politically, militari militarily, culturally one of the largest events really in human history. >> richard haass, also just a back story that we americans don't talk about as much, stalin