If there is any good that can come out of the tragedy of Trayvon Martin’s death and the miscarriage of justice in George Zimmerman’s acquittal, it’s the raised awareness about other injustices.  On Friday, speaking at the National Urban League convention in Philadelphia Martin’s mother, Sybrina Fulton, said: “My message to you is: Please use my story, please use my tragedy, please use my broken heart to say to yourself, we cannot let this happen to anybody else’s child.” Fulton was urging people to organize against racial profiling and gun laws and Stand Your Ground, a law that exists in over 20 states, that gives people the right to use deadly force with no duty to retreat. ...