CBS This Morning

Cokie Roberts' husband on her "Life Well Lived"

Steven Roberts, a veteran journalist and professor at Georgetown University, discusses his new book "Cokie: A Life Well Lived" with CBS Mornings' executive producer Shawna Thomas. Married for 53 years, Roberts shares how they overcame obstacles to get married, how she learned to deal with death and grief at an early age and what he learned from talking to…