FIRST ON FOX - The number of Islamic jihadist terrorists in Africa has increased tenfold, the head of U.S. Africa Command (AFRICOM) has told Fox News Digital. U.S. Marine Corps Gen. Michael Langley, commander of AFRICOM, sat down on Sunday for an exclusive virtual interview with Fox News Digital ahead of this week’s African Chiefs of Defense Conference in Gaborone, Botswana. Langley covered, in a wide-ranging interview, the threats from China, Russia, and Iran, and gave insight into an apparent shift in U.S. military policy, particularly in West Africa, following Niger’s order that 1,000 U.S. personnel must leave.On Islamic terror,