** FILE ** Marine Corps Gen. John Allen, the top U.S. commander in Afghanistan, listens during a news conference at the Pentagon outside Washington on Monday, March 26, 2012. (AP Photo/Haraz N. Ghanbari)

Photo by: Haraz N. Ghanbari

** FILE ** Marine Corps Gen. John Allen, the top U.S. commander in Afghanistan, listens during a news conference at the Pentagon outside Washington on Monday, March 26, 2012. (AP Photo/Haraz N. Ghanbari)