In the Riviera Beach neighborhood where Calvin Williams lived, the houses are plain, single-story concrete blocks painted in drab greens and tans. Air-conditioning units poke out of windows, satellite dishes dot the roofs, and flannel sheets serve as window shades. Nine miles away, Donald Trump and Rod Stewart have built millionaires' playgrounds on Palm Beach. But in this part of town, grown men pass the afternoons on their front stoops. A .38-caliber pistol sells for 50... More >>>