The Mule Returns With a New Look (and Sound) - WSJ
File:Acting Deputy Secretary of Defense Christine H. Fox, center left, greets the U.S. Military Academy mascot mule during a pep rally Dec. 13, 2013, at the Pentagon in Arlington, Va., in preparation
In the Muck of the Trenches, Missouri Mules were a Soldier's Best Friend
The Surprising Shoe That Is Overtaking Sneakers - WSJ