WH: U.S. Cannot 'Maintain a Troop Presence' in Afghanistan without Signed Security Agreement

December 19, 2013 | 10:14 AM EST

After 12 Years of War, U.S. Faces Fraying Partnership With Afghanistan- See more at: http://cnsnews.com/news/article/susan-jones/after-12-years-war-us-faces-fraying-partnership-afghanistan#sthash.qM0WlXw8.dpuf