NEW YORK - Community organizations came together for a Healing Harlem event Friday in response to recent gun violence. A college basketball player was killed last weekend, and the event aimed to prevent more tragedy.People walking down Fifth Avenue near 135th Street in Harlem Friday afternoon expressed shock to find a casket in the middle of the sidewalk. But that shock value is the point. The idea for healing Harlem in this jarring way came from Shawanna Vaughn."We've got to get to these kids before the guns," said Vaughn.Vaughn's organization Silent Cry, Inc. works with incarcerated individuals and their families."We can't just...