Bruce Willis visited The Late Show With Stephen Colbert to plug his starring role in the Broadway production of Misery, during which the Die Hard franchise star said he does his own stunts. Colbert found that hard to believe about a guy who right now is spending most of his time lying down on the job. Harsh words were exchanged. Heavy stunt-ery ensued, with pauses for erudite one-liners  – like “Yippee ki-yay, William Faulkner!” and “I’m gluten-free, you son of a bitch!”