Question: The Politician: An Insider's Account of John Edwards's Pursuit of the Presidency and the Scandal That Brought Him Down is a 2010 tell-all book, chronicling over a decade working behind the scenes with former North Carolina senator and presidential candidate John Edwards, which American actress and film producer, did he have an extramarital affair with?
Sentence (from "John Edwards presidential campaign, 2008"): On May 14, 2008, he endorsed Barack Obama at a campaign event in Grand Rapids, Michigan.
Relevant evidence: No