doris sending you, you know what? i've got to put this up on the screen. >> i produced a segment of the millennial celebration for the white house for the clinton white house. and during that time i convened a kind of think tank including steven ambrose and ken burns, and i invited doris goodwin to be part of this think tank, try to figure out, how do we frame the last 100 years. and doris told me she was writing a book about lincoln's presidency. at that moment, i said, "are the film rights available?" literally that day. because i had always really wanted to do something on lincoln but not until i knew doris was the one that was going to put it down on paper that i threw my hat into the ring at that point. >> you know, "saving private ry ryan" sort of defined world war ii for a lot of people who didn't live through it. this movie will define lincoln and the 13th amendment. i have to ask what's knocking around in your head now? what's your next project in terms of history? >> i hope linken never stops knocking around in my head. this is one film that i don't