What to Do When the Labor Market Stops Working for Workers

Courts have now blessed mandatory arbitration clauses, but regulators and states don’t have to.

It has been a tough several decades for American labor, and now the Trump administration, Congress and the Supreme Court are all piling on. The latest blow was the high court’s 5-4 decision last month in Epic Systems v. Lewis. The justices held that employers may use mandatory arbitration clauses to prevent workers from banding together to pursue their legal rights in a class-action suit against the company. The message was clear: Workers of the United States, don’t try to unite. You’re on your own.

Many people who worry about...