jeans? [ female announcer ] people who choose more whole grain tend to weigh less than those who don't. multigrain cheerios >>> in his new biography thomason the art of power jon meacham profiles a president that provided over a hyper partisan nation divided over the role and size of the federal government. sound familiar? joining me prize winning historian jon meacham. how do you do it? you just finished jackson it seems. >> everyone i write about, i don't have to call. you have to make phone calls and report and -- >> and you just have to get to read all of the original letters. >> i read things. that's right. >> you write brilliantly. congratulations. >> thank you. >> what can we learn from thomas jefferson, whatever you learned, what surprised you? >> what surprised me was how political he was. like a lot of people, you're involved with colonial williamsburg, you know this well, that jefferson is seen as this man of the renaissance of ideas philosophy. he wanted us to think that putting on his tom stone, declaration of independence, university of virginia. from 14he was in public office d seeking it and a hard nosed politician that b