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?

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…

The alliance between the United States and South Korea has endured through seven decades of shifting regional and geopolitical security contexts. Yet it now faces challenges from within. Domestic pol…

American diplomacy is in shambles under Trump, but beneath the daily chaos is an erosion of the postwar order that is even more dangerous. Ivo Daalder and James Lindsay give us a chilling account of why things are worse than they seem.

Ray Takeyh provides new interpretations of many important events—including the 1953 coup against Prime Minister Mohammad Mossadeq and the rise of Ayatollah Ruhollah Khomeini—significantly revising ou…