LA Times, Fire the incompetents, find the Pattons. "War imposes far different demands on soldiers than does the routine life of the garrison. Some who are perfectly adequate peacetime soldiers fail the audit of conflict and have to be shunted aside (as happened to hundreds of generals in the Civil War and World War II), while others who were malcontents in peacetime (think of Ulysses S. Grant or George S. Patton) excel on the battlefield and rocket to the top."
NPR, U.S. Plans for Post-War Iraq Emerging.