S12, E29: Sen. Elizabeth Warren (D-Mass.); neuroscientist Sam Harris; actor Ben Affleck; journalist Nicholas Kristof; former Lt. Gov. Michael Steele (R-Md.).

Starring Elizabeth Warren, Sam Harris, Ben Affleck
S12, E29: Sen. Elizabeth Warren (D-Mass.); neuroscientist Sam Harris; actor Ben Affleck; journalist Nicholas Kristof; former Lt. Gov. Michael Steele (R-Md.).