PEDRO SANCHEZ:  (In progress.)  I was -- I joined Columbia University to start agriculture there, tropical agriculture -- interesting thing for a major urban university to do.  And then Secretary --…

ISOBEL COLEMAN:  Good afternoon, everybody.  Good afternoon.  I'm Isobel Coleman.  I'm a senior fellow here at the Council on Foreign Relations and director of the council's Civil Society, Markets, …

Secretary Clinton discusses U.S. leadership and diplomatic efforts, as well as the global challenges of climate change, Middle East peace, conflict in Darfur, and the reconstruction of Iraq and Afgha…

**Please note the extended registration and reception period.**

Former Homeland Security Secretary Thomas J. Ridge discusses his experiences as the first leader of the Department of Homeland Security, as well as other lessons from his career. This session was pa…