NEWARK - A skirmish broke out between rival activists on the steps of City Hall Wednesday during what had been intended as a demonstration against violence in Newark. Police were called to the scene after a small crowd began arguing over escalating violence and the city's attempts to curb it. The noon press conference was called by a group of activists led by Salaam Ismial, co-chair of the New Jersey Study Commission on Violence, and Abdul Muhammad, a longtime Newark anti-violence activist. In a release announcing the event, the two said they planned to ask Mayor Ras Baraka to...