Black Panther Robert Webb, 22, moved from San Francisco to New York about a year ago. In the growing Panther schism between supporters of Huey Newton, the party's Oakland-based minister of defense, and Eldridge Cleaver, now exiled in Algiers, Webb sided with Cleaver. Last week Webb and two friends were walking along a Harlem street when they encountered several other blacks who were selling the party newspaper; since the publication is Newton-controlled, the Cleaver wing has proscribed it. Webb tried to stop the men from hawking it, but three of them drew...