FOX NEWS: After Kabul attacks, US faces threat from Islamic extremists ‘already in our country’: retired Army general

After Kabul attacks, US faces threat from Islamic extremists ‘already in our country’: retired Army general



Radicalized terrorist sympathizers "already in our country" pose a "bigger problem" for the U.S. than any security issues at the U.S.-Mexico border, a retired U.S. Army general says.