Liz Edinger will never forget that telephone call, the one dreaded by any worried parent of a uniformed son or daughter in harm's way in Afghanistan or Iraq. "Nick called and asked if I was sitting down," she said. "I sat down, and he said, 'Mom, my left foot is missing.' " "This is six hours after it happened," added Scott Edinger, her husband and Nick's father. "He said, 'I stepped on a land mine but don't worry, I'm going to be fine.' " Army Cpl. Nick Edinger, 22, lost his left foot to an improvised explosive device in Afghanistan...