An outbreak in the DRC has spread to neighboring Uganda, and conflict and mistrust of health workers is impeding international efforts to contain the disease.

The United States has been helping Somalia fight al-Shabab militants for more than a decade, but rights groups say increasing drone strikes are putting civilians at risk.

A collapse of this Cold War–era INF treaty, which many believe has favored the United States, could unleash a new age of nuclear weapons competition with Russia.

Iran appears increasingly boxed in by intensifying U.S. sanctions, the latest of which will effectively cut it off from its main oil customers.