Idris Elba on 'Beasts of No Nation' and Making Grown Men Cry

The first time you see Idris Elba in the child-soldier drama Beasts of No Nation, he's emerging out of the jungle brush, cutting through the middle of an army of tiny, machete-and-machine-gun-wielding tweens. Clad in a beret and an outfit that might be characterized as "military dictator summer-casual," he strides...