Franklin Foer explores the life of President Biden in new book, "The Last Politician"
Journalist Franklin Foer's new book, "The Last Politician," tells the story of a presidency 50 years in the making, diving deep into President Biden's life and career. The book also explores the workings of Biden's current administration and searches for answers on who Biden really is behind the scenes. Foer sat down with CBS News' Robert Costa to discuss.