President Trump returns to the White House with his "America First" approach - a strategy critics say often comes at the expense of international alliances and multilateral commitments. Duke professor Susan Colbourn, a historian specializing in NATO, joins Manoj Mohanan, interim Dean of the Sanford School of Public Policy at Duke to discuss the topic. She's the author of Euromissiles: The Nuclear Weapons That Nearly Destroyed NATO, and is associate director of the Duke Program in American Grand Strategy.

Read show notes/transcript.