Rucksack Grunt author Robert Kuhn served in the US Army between 1970 and 1972 in the 1st Battalion, 22nd Infantry. He ventured out of the suburbs of Pennsylvania into the dangerous jungles and mountains of Vietnam’s Central Highlands. In his book, Kuhn details the traumatic and even disturbing encounters he experienced as a ‘rucksack-carrying grunt’ on his tour of duty. Vietnam vets and those who love them alike have found common ground and insight in Kuhn’s writing.  Kuhn was just a...