James Symington is about to find out whether you can clone heroism. The retired Canadian police officer – who took part in the rescue operation after the Sept. 11, 2001, terror attacks in New York City – is scheduled to take possession Wednesday of five puppies cloned using DNA from his beloved late German shepherd Trakr, the rescue dog credited with finding the last survivor in the smoking rubble of Ground Zero. Symington, who won the opportunity to have Trakr cloned in an essay contest last year, first met his new pups in an emotional encounter on June 14. "They're...