CAIRO (Reuters) - A Sudanese Salafi group in a statement on Thursday endorsed the Islamic State militant group that declared a caliphate after it swept through northern Iraq last month. "Our Brothers ...

Successes on the battlefields against al Qaeda, the Islamic State, and other like-minded groups have not led to their defeat or permanently reduced their threat to the United States. The deterioration ...

US national security policy is locked in a crisis-response cycle that tends to react to threats after they have emerged and treats intertwined developments as separate and sequential. The US response ...

Joe Biden seems to be hoping that the Taliban will sever ties with al Qaeda and deny the group a chance to again plan attacks on the U.S. Many have challenged this assumption. But there is another ...