There’s slim chance a House-passed joint-employer bill could pass the Senate any time soon.

That’s the message Senate Health, Education, Labor and Pensions Committee Chairman Sen. Lamar Alexander (R-Tenn.) told an audience at the International Franchise Association Legal Symposium in Washington, D.C.

“The all-likely solution is the NLRB revisits the rule because that’s after all how it was changed in the first place,” Alexander said, suggesting that the GOP-controlled National Labor Relations Board is more likely to act on the joint employer question than the Senate. Alexander said there’s not currently enough Democrat support to move legislation to undo a...