Interview Guests: Alex Gibney, Sam Harris Panelists: Cory Booker, Jackie Kucinich, Eva Longoria Alex Gibney is an American documentary filmmaker. His latest documentary "Mea Maxima Culpa: Silence in the House of God" apparently debuts Feb 4, 2013 on HBO. Sam Harris is a philosopher whose latest book is "Free Will". He blogs at samharris.org and has recently written on the gun control issue. Cory Booker is the mayor of Newark,... see more