"The Purge: Anarchy" a sign of the times, says cast

Michael K. Williams, Frank Grillo, Carmen Ejogo and writer/director James DeMonaco spoke to CBS News' Ken Lombardi about their new sequel, "The Purge: Anarchy," set in an America where, for one night out of the year, all crime, including murder, is legal. Some of the stars said that the film is a reflection of today's gun violence.