Story highlights Actor lights up during interview, bringing strong reaction from viewersStephen Colbert asks him to lay off the cigarettes: "We want you to be around"(CNN) Sean Penn may have come on "The Late Show With Stephen Colbert" to promote his new "scorching" novel, but something else was on fire. The actor smoked during Monday night's interview, and it garnered a great deal of attention from viewers. Penn lit up on stage after explaining to Colbert why he may have appeared extremely mellow. "So in other words, you're still a little bit on the Ambien train right now?" Colbert asked, to which Penn responded, "A little bit."

Source: CNN March 27, 2018 13:30 UTC