A coalition of Marxists organized what they called a “Statewide March Against Police Brutality” Sunday in the Southern California city of Anaheim, attracting a crowd estimated at 500 by Professor Donald Douglas.The protest in Anaheim was on the one-year anniversary of the police shooting of Manuel Diaz, a 25-year-old gang member known as “Stomper,” whose death was ruled justified by the Orange County District Attorney’s office. Diaz had an extensive record of drug dealing and violent crime. At Sunday’s protest, some activists held a banner demanding that California Attorney General Kamala Harris prosecute for “murder” an Oakland police officer who...