It was a crow that first caught Frank Glick's attention. It was flying around erratically, so Glick got out his Nikon camera and followed it. It was around 6 a.m. on a hazy spring day and he was driving through Fort Snelling National Cemetery because he was early for a training meeting at Delta Airlines, where he works. Glick is an amateur photographer, but he always carries his camera, just in case. So he followed the crow, in some cultures a symbol of good luck and magic, until he saw it: a huge eagle perched on a tombstone, its eyes...