Today, Bill Clinton joins President Obama on the campaign trail in Florida and Ohio. David Maraniss, who’s written the definitive biography on both men, joins us in studio to talk about his latest book, “Barack Obama: The Story.”

Guest:

David Maraniss, author of "Barack Obama: The Story" (Simon & Schuster); journalist and author, currently serving as an associate-editor for The Washington Post. He received a Pulitzer Prize for National Reporting in 1993 for his coverage of then-candidate Bill Clinton during the 1992 United States presidential election.