Mattis rebuffs idea of privatizing forces in Afghanistan

WASHINGTON (Reuters) - U.S. Defense Secretary James Mattis on Tuesday rebuffed a proposal to withdraw American troops from Afghanistan and replace them with private security forces. "When the Americans put their nation's credibility on the line, privatizing it is probably not a wise idea," Mattis told reporters. (Reporting by Phil Stewart; Writing by Makini Brice; Editing by Tim Ahmann)