Lt. General William Caldwell; Andrea Jung; Steven Pinker
Lt. General William Caldwell, head of a combined arms center at Fort Leavenworth, talks about a new field manual that stresses the importance of nation building in future conflicts. Avon C.E.O. Andrea Jung talks about the brand and the cosmetic company's commitment to supporting victims of domestic violence. Experimental psychologist and Harvard professor Steven Pinker shares his new book, "The Stuff of Thought: Language as a Window into Human Nature."