A black cloud of smoke near the intersection of Florence and Normandie drifted toward Mrs. Kim’s California Dry Cleaning store in South Central Los Angeles. She turned the sign to closed and locked the door. Her husband phoned telling her to come home. The jury had acquitted the four white police officers accused of beating Rodney King. Trouble had begun. She’d seen the video of the policemen clubbing the man when he was down. Didn’t seem right. The Kims, in …