Marvin Kalb is a nonresident senior fellow with the Foreign Policy program at Brookings, and senior advisor at the Pulitzer Center on Crisis Reporting. He focuses on the impact of media on public policy and politics. He is also an expert in national security, with a focus on U.S. relations with Russia, Europe and the Middle East. His new book, scheduled for September 2015 publication, is Imperial Gamble: Putin, Ukraine and the New Cold War (Brookings Institution Press, 2015). His most recent book is The Road to War: Presidential Commitments Honored and Betrayed (Brookings Institution Press, 2013), wherein he looks at how presidential commitments can lead to the use of American military force. He also wrote Haunting Legacy: Vietnam and the American Presidency from Ford to Obama (Brookings Institution Press, 2011), which examines the Vietnam War’s extraordinary impact on presidential decision making over the past four decades.