Sharmin Mossavar-Rahmani; John Dickerson; 'Making a Murderer'; Alan Rickman Appreciation

Sharmin Mossavar-Rahmani, chief investment officer of the Investment Strategy Group at Goldman Sachs, explains her cautious optimism on the outlook for U.S. stocks. John Dickerson of CBS News talks about presidential campaigns and the upcoming Iowa caucuses. A conversation with the directors of the popular Netflix series "Making a Murderer" Laura Ricciardi and Moira Demos. Remembering actor Alan Rickman with a look back at his appearances on the show.