The union, which lost an organizing vote at two factories last week, argued to federal officials that the automaker had violated labor laws. Automobiles, Organized Labor, Workplace Hazards and Violations, Factories and Manufacturing, Mercedes-Benz, National Labor Relations Board, United Automobile Workers, Tuscaloosa (Ala), Alabama The union, which lost an organizing vote at two factories last week, argued to federal officials that the automaker had violated labor laws. NYT > Business