Each Friday, I look at what the presidential contenders are saying about foreign policy. This Week: The demise of arms control agreements and the rise of geopolitical competition are a dangerous mix…

The crisis in Nigeria offers a rare opportunity to rethink the moral foundations of the Nigerian state.

As China turns the page from its reform era, the Chinese Communist Party's official discourse increasingly references the country's imperial past. 

This is a guest blog post by Dr. Richard Messick, an anticorruption specialist. It is based on a CFR roundtable discussion on March 24 hosted by Matthew M. Taylor, adjunct senior fellow for Latin Ame…