Alumnus Bill Plunkert, a former CIA agent featured in the book The Billion Dollar Spy: A True Story of Cold War Espionage and Betrayal (Penguin Random House,  2015) by Pulitzer Prize winner David E. Hoffman, will give a talk Apr. 20 at 6:30 p.m. in the Murray Function Room of Yawkey Center. After a stint as a Navy aviator, Plunkert joined the CIA and worked as a clandestine operations officer in Moscow during the Cold War. Sponsors: The Winston Center for Leadership and Ethics, Political Science Department and the International Studies Program. Book excerpt in the Washington Post.