"Glass" director M. Night Shyamalan on his thrilling career
"Glass," the latest psychological thriller from M. Night Shyamalan (the Oscar-nominated director of "The Sixth Sense"), features characters from his previous films "Unbreakable" and "Split," in the conclusion of an unexpected trilogy. Tony Dokoupil talks with Shyamalan, who is at peace with the plot twists of his own life.