General Who Ran Afghanistan War Retiring

General Who Ran Afghanistan War Retiring
In this March 26, 2012, file photo, Marine Gen. John Allen listens during a news conference at the Pentagon in Washington. (AP Photo/Haraz N. Ghanbari)

After running the Afghanistan war, General John Allen was headed toward a career-capping promotion. Now instead, ABC's Sam Donaldson tells us General Allen is retiring.