Tensions with North Korea; Lyse Doucet; '78/52'

A discussion about the rising tensions between North Korea and the United States—with Nicholas Burns, professor of diplomacy at Harvard's Kennedy School, and Michael Morrell, former deputy director of the CIA and host of the new CBS podcast, Intelligence Matters; BBC correspondent Lyse Doucet on North Korea; filmmaker Alexandre Philippe discusses his new documentary "78/52," which examines the iconic shower scene from Alfred Hitchcock's "Psycho."