John Dickerson; Jennifer Jason Leigh; Richard Engel

John Dickerson, political director at CBS News, talks about the presidential political campaigns with primaries in Nevada and South Carolina underway. Actor Jennifer Jason Leigh on her Academy Award-nominated role in "The Hateful Eight" and the stop-motion film "Anomalisa." Richard Engel, chief foreign correspondent for NBC News, shares his new book, "And Then All Hell Broke Loose: Two Decades in the Middle East."