Representative Maxine Waters (D-Calif.) is making a strong case to become the poster child for Trump Derangement Syndrome. Long an exploiter of loony left memes, such as the contention that the CIA deliberately spread a crack epidemic in America's inner cities, Waters loves the attention and praise she garners from voicing the radical thoughts other crazy lefties shy away from. She owes her national profile to her readiness to glorify the 1992 Rodney King rioters in Los Angeles as participating in a "rebellion," not a "riot," justifying the looting of many Korean-owned stores as "mothers who took this as an...