U.S. studies fear Afghan decline to terrorist haven

WASHINGTON (Reuters) - Afghanistan risks reverting to a failed state and a haven for global terrorism without new U.S. and international efforts to win the war and deliver economic development, two studies said on Wednesday. --- Afghanistan's failure would deal a strategic defeat to the U.S. fight against Islamic extremism that would destabilize neighboring Pakistan and threaten the future of NATO, the studies warned. -- U.S. Studies Fear Afghan Decline to Terrorist Haven