A case the Supreme Court heard on Tuesday could make unions and workers liable for any damages their company incurred during a strike, dealing a blow to organized labor.
Since the passage of the National Labor Relations Act (NLRA) in 1935, workers in the United States have had the protected right to strike and to organize unions—and that protection has been a powerful tool. But a case the Supreme Court heard on Tuesday could upend that right, allowing employers to sue unions—and...