Sir Ian McKellen Returns as Gandalf the Grey in “The Hobbit”

Sir Ian McKellen was very pleased to take on the role of Gandalf again for “The Hobbit: An Unexpected Journey.” Hear about some of the challenges of shooting the film. Plus, as the original Magneto in the “X-Men” movies, Ian reveals what he think of Michael Fassbender’s take on the role in “X-Men: First Class.”