Oprah Winfrey, Tracy Letts, Carrie Coon, Anselm Kiefer

OPRAH! – Jane Pauley sits down with Oprah Winfrey in a two-part segment to talk about her weight-loss journey and much more.DYNAMIC DUO: CARRIE COON AND TRACY LETTS – Jim Axelrod talks with acting and playwriting heavy-hitters Tracy Letts and Carrie Coon: husband and wife who are now collaborating on Broadway.DENIED –Erin Moriarty investigates the challenges of navigating the health insurance system, including what happens when sick people are refused care.ON DISPLAY: ANSELM KIEFER – Mark Whitaker catches up with the prolific artist Anselm Kiefer, whose work is the focus of a new retrospective called "Becoming the Sea."COMMENTARY – Jim Gaffigan has some thoughts on something near and dear to his heart … pancakes!ON HIGH – Conor Knighton meets the Highpointers Club, a group celebrating and summiting the highest peak in each of our 50 states.MONROE DOCTRINE – Mo Rocca looks at the long history of American involvement in Latin America, with a focus on the Monroe Doctrine.