Lawsuits cost every American household thousands of dollars. Supreme Court can help

When the Supreme Court returns in October, several cases on its docket will offer a timely look at a growing problem in America’s legal system: the mounting cost of lawsuit abuse.

The cases involve different industries and legal questions, but each reflects a broader fight over how far liability can extend and who ultimately bears the cost. Suncor Energy v. Boulder County, for example, could determine whether federal law precludes local climate lawsuits seeking relief for harms tied to interstate...