Rekindling the nuclear deal with Tehran will solve one regional problem—and cause others.

When it comes to policies Washington cares about, Israeli Prime Minister Naftali Bennett and his predecessor are practically the same.

For Israelis and Palestinians, ethnic violence isn't a temporary problem. It’s a lasting identity.

Latin America and the Caribbean remains the most violent region in the world. Overwhelmed police and military forces stand to improve their effectiveness and accountability by unleashing a secret wea…