Union Violence: An African-American is beaten up at a political rally by thugs shouting racial epithets, and after three months his assailants are charged with the moral equivalent of jaywalking. Why wasn't it a hate crime? The beating of Kenneth Gladney by people wearing the purple shirts of the Service Employees International Union outside a Missouri health care town hall meeting three months ago met all the classic definitions of a hate crime. Time was, the beating of a black man outside a protest rally, and the arrest and prosecution of the perpetrators, would be headline news. Gladney was working...