President Obama and President Medvedev signed an historic nuclear arms agreement in Prague. We talk with Vitaly Churkin, Russia's Ambassador to the United Nations on the nature and future of US/Russian relations || Historians on President Obama, with Douglas Brinkley, Doris Kearns Goodwin and Jon Meacham
Please read the following before uploading
Do not upload anything which you do not own or are fully licensed to upload. The images should not contain any sexually explicit content, race hatred material or other offensive symbols or images. Remember: Abuse of the TV.com image system may result in you being banned from uploading images or from the entire site – so, play nice and respect the rules!