After the Korean War, the Army gave up pack animals for trucks, planes and choppers to transport troops and equipment. But recently -- remember those folks on horseback routing the Taliban in Afghanistan? -- it's become clear that Special Forces might find themselves needing horses, mules and donkeys, and perhaps the occasional camel or llama, to move around. But who remembers how to deal with these critters? No problem. Couple years ago the Army put together a 225-page field manual -- "Special Forces Use of Pack Animals" -- that provides a comprehensive overview on the care and feeding and uses...