Moscow’s exit from the deal generated alarm in a number of populous lower-income countries dependent on Ukrainian grain.

A failure by the United States to continue military aid to Ukraine would spell disaster for Ukraine and its Western allies while emboldening Russia and other potential aggressors.

President Biden has vowed to diversify the top ranks of government agencies. The small and shrinking number of senior Black diplomats, in particular, could undermine U.S. foreign policy goals.

Ukraine remains intent on wresting Crimea back from Russia, but doing so would be difficult, and the peninsula could become a bargaining chip in future diplomatic talks.

The Biden administration is imposing a diplomatic boycott of the 2022 Olympics in Beijing. What could a boycott accomplish, and how might China respond?