Is America’s alliance system so quietly effective that politicians and voters fail to appreciate its importance in delivering the security they take for granted?

Americans and Europeans are divided by more than an ocean when it comes to designing and carrying out policies toward countries that repress human rights, develop weapons of mass destruction, and/or …

Charles A. Kupchan mines the nation’s past to uncover the ideological and political roots of ongoing changes in U.S. foreign policy, including the sources of Donald J. Trump's “America First” doctrin…