Robert B. Zoellick's public experience spans six US presidencies over more than thirty years. He served as Deputy Secretary at the US State Department, as Ambassador and US Trade Representative, in the Treasury Department and the White House, and as President of the World Bank.
Samuel G. Freedman is a columnist for The New York Times and a professor at the Columbia University Graduate School of Journalism. He is the author of seven acclaimed books, most recently "Breaking The Line," and has been a finalist for the Pulitzer Prize and the National Book Award.
