Current law, established more than 40 years ago, says unions can compel workers to pay them "agency fees" even if the workers choose not to join the unions, because the workers still benefit from unions' work collectively bargaining for wages, pensions, etc. That law almost went down two years ago, but Antonin Scalia's death resulted in a 4-4 tie vote.
Now comes the case known as Janus v. AFSCME, which considers the exact same question, and the presumption most people are making is that Justice Neil Gorsuch will provide the fifth vote for workers' rights to keep their money, just as Scalia would have. That may indeed be the case, but during yesterday's oral arguments, Gorsuch played it very close to the vest: