Esmé Deprez; Republican Race '16; Nancy Gibbs; '45 Years'

Esmé Deprez of Bloomberg News reports on the San Bernardino shootings, in which a husband and wife killed fourteen people. Political advisor Dan Senor and GOP campaign consultant Ed Rollins discuss the Republican race for president, as Donald Trump's controversial proposal to ban Muslim immigrants continues to grab headlines. Nancy Gibbs, managing editor of Time magazine, talks about its selection of German chancellor Angela Merkel for Person of the Year for 2015. Andrew Haigh and Charlotte Rampling discuss their new film "45 Years," about a couple whose relationship is tested when the body of the husband's missing ex-girlfriend is found 50 years after her death.