. >> thank you talks about t ron, chiron the difference seemed to be fdr's illness in declining health. do you believe, if he had been healthy, and if he had continued as he was at tehran any decisions made at the altar or post, even if you live that long, but have been different? based on his health or not? >> that's the most difficult question [ laughter ] i've never been asked that. you know historians are still debating that. it becomes a very political debate. i cannot believe that fdr, what and have been tougher with marshall starling, if he had been in good health when you read the documents, there were careful minutes taken during the terran conference. stalin has always deferring to the president he's running the conference. the fact is, the president did not run that conference. stalin and churchill did. and battle over particularly over poland. but, whether with so many millions of russian boots on the ground already in poland and ultimately, it would have made that much difference particularly when poland residents are unwilling to surrender territory. who knows? in some wa