Robert Putnam

Professor of Public Policy, John F. Kennedy School of Government at Harvard University; Bestselling Author Known for "Making Democracy Work," "Bowling Alone" & "The Upswing"; Host of PBS' "Our Kids Series"

'The Interview': Robert Putnam Knows Why You’re Lonely

David Williams

Professor of Public Health at Harvard University

Cass Sunstein

Director of the Behavioral Economics & Public Policy Program at Harvard Law School, NYT Best-Selling Author, Former Administrator of the White House Office of Information & Regulatory Affairs