LOS ANGELES, (AP) -- The community solidarity that followed the killing of high school football star Jamiel Shaw Jr. did not last. A prosecutor has been pulled from the case after clashing with Shaw's parents, who are demanding hate-crime charges against the suspect, believed to belong to a violent Hispanic gang. And the family is fighting suggestions that an affinity for a rival gang was what led to Shaw's slaying March 2. At the heart of the friction is the polarizing issue of race in a city known for its diversity of cultures. Shaw, 17, was black; prosecutors say the...