Star tenor Roberto Alagna talks about his new, unexpected role in the Met's "Manon Lescaut." U.S. Senator Cory Booker shares details about his personal life and career, and reflects on the importance of public service in a democracy. When a famous Brazilian novelist mysteriously disappears, her translator embarks on a quest to find her in Idra Novey's debut novel Ways to Disappear. How marine officers on the island nation of Palau are successfully fighting poachers, super trawlers and drift nets in 230,000 square miles of open water.