San Francisco leaders on Friday approved an emergency plan to combat drug use in the city's much-troubled Tenderloin neighborhood after Mayor London Breed made a proposal earlier this month that some fear will criminalize addicts and the homeless. The 8-2 vote by the Board of Supervisors came after a lengthy meeting that ended just after midnight Friday. Board President Shamann Walton and Supervisor Dean Preston dissented, arguing that potential over-policing could impact African Americans, among other issues. "I know that this is an incredibly painful, traumatic and emotional conversation," said Matt Haney, the supervisor who represents the neighborhood, before the...