Nawaz Sharif's Arrest; Henry Louis Gates, Jr.; Isaac Stern; Remembering Wilt Chamberlain

Fareed Zakaria and James Hoge, editors of Foreign Affairs, explain the significance of the arrest of Nawaz Sharif, prime minister of Pakistan. Professor Henry Louis Gates, Jr. reflects on the wonders of the African continent. Conductor and violinist Isaac Stern reflects on his long career, his love of teaching, and his new memoir, "My First 79 Years," which he wrote with author Chaim Potok. We remember Wilt Chamberlain's legacy with an excerpt from his 1991 interview with Charlie.