25 years after Rodney King, video still isn't enough to stop police brutality

The rapper KRS-One famously posed this question to law enforcement: “Who protects us from you?” Exactly 25 years after Los Angeles police officers beat up Rodney King near a 210 Freeway offramp, the answer is the same as ever: The camera does, but only to a point.On March 3, 1991, George Holliday,...