Award-winning actormEwan McGregor talks about his starring role in the new movie “The Impossible” -- directed by J.A. Bayona, based on the true life experiences of a family caught in the 2004 Indian Ocean tsunami -- and his experiences working on such films as “Trainspotting,” “Moulin Rouge,” “Stars Wars Episode Three,” “Big Fish,” “Beginners” and “Salmon Fishing in the Yemen.” Interviewed by New York Times reporter Melena Ryzik.