This week's broadcast, hosted by Jane Pauley, features Chip Reid's reports on the untold story behind the discovery of the wreck of the Titanic. Plus: Ted Koppel looks at the work of war photographers Tim Hetherington and Chris Hondros, who were both killed while covering the civil war in Libya; Lee Cowan talks with former Republican Senator Alan Simpson and former Democratic Congressman Norman Mineta about the unusual origin of their lifelong friendship; Rita Braver examines the rise in anti-Semitism; Maurice DuBois interviews the Grammy-nominated rapper Cardi B; Pauley visits with fashion designer Ralph Lauren; and we get holiday gift ideas from Techno Claus (a.k.a. David Pogue).