Former FBI special agent Ali Soufan explains how terror organizations grew following Osama bin Laden's death. Soulpepper artistic director Albert Schultz, composer Mike Ross and actress Michelle Monteith discuss the Toronto-based theater company's run at The Signature Center. Director Chun-Wei Yi and photographer Joel Sartore on their three-part PBS program, “Rare: Creatures of the Photo Ark." Bloomberg Businessweek's Joshua Green traces the history of Steve Bannon's path to the White House.