The Islamic State leader’s hideout a stone’s throw away from Turkey’s border and Syrian Democratic Forces involvement in the raid have raised fresh questions over Ankara’s fight against the Islamic State. The leader of the Islamic State, Abu Ibrahim al-Hashimi al-Qurayshi, was killed in a Syrian hideout close to the …

White House national-security adviser Jake Sullivan said Americans should leave Ukraine immediately amid the threat of an imminent Russian invasion, warning that the U.S. military will not be able to evacuate citizens in the event of a war. “We encourage all American citizens who remain in Ukraine to depart immediately,” …

What War in Ukraine Would Look Like—and How America Should Respond Despite a flurry of meetings in recent weeks, the United States, NATO, Ukraine, and Russia have not moved any closer to a diplomatic solution or a reduction of tensions on the Ukrainian-Russian border. Although Russia has not completely abandoned …