Most people know Roswell. Almost nobody knows that six years earlier, in 1941, there's a claimed UFO crash in Cape Girardeau, Missouri — allegedly witnessed and later described by a Baptist minister named William Huffman, who said he was called out to bless the dead pilots of a crashed craft that wasn't like anything he'd seen. The story stayed almost completely unknown for decades until his granddaughter came forward decades later with details she said he told the family privately — small "a...