'60 Minutes,' Pt. 2; Drew Faust; Ian Bremmer

Part two of Charlie's conversation with executive producer Jeff Fager about the history of "60 Minutes." Drew Faust, president of Harvard, talks about her tenure at the university and her plans to step down in July of 2018. Ian Bremmer, president of Eurasia Group, on President Donald Trump's recent trip to Asia and political developments in Saudi Arabia.