Christopher Nolan,Angelina jolie,Richard Linklater discusses their filmmaking techniques

Angelina Jolie (Unbroken), Christopher Nolan (Interstellar), Richard Linklater (Boyhood), Mike Leigh (Mr. Turner), Bennett Miller (Foxcatcher) and Morten Tyldum (The Imitation Game) discuss their new films, open up about ethics, fears, family and what drives them