President Obama has just as much at stake in Sonia Sotomayor's confirmation hearings as she does -- if not more -- legal experts say in a video presentation by NationalJournal.com's Theresa Poulson.

(This is the second in a series of four videos examining key players in Sotomayor's hearings. The series will also look at the role of conservative interest groups and senators. The first video was on abortion opponents.)