--snip-- I'm doing this race in the spirit of my husband fighting overseas!" she e-mailed on April 2. "We hope to run Broad Street next year together!" One week later, on April 9, her training stopped. Two soldiers showed up at her door. They didn't have to speak. She knew her husband of 10 months was dead, and so was their beautiful future together. His Apache helicopter had crashed. Even though she barely ate for two weeks, and hasn't run a step, Heather will run Broad Street on Sunday. "I have to do it for Jarett," says Heather, who lives...