Americans for Prosperity is among the groups at the Supreme Court in a case from California that involves a state rule that mandates the disclosure of some donor names. The groups claim doing so would violate their First Amendment right to freedom of association and that it would subject their donors to potential harassment.

FILE – In this March 21, 2021, file photo security fencing surrounds the Supreme Court building on Capitol Hill in Washington. Biden on Friday, April 9, ordered a study of adding seats to the Supreme Court, creating a bipartisan commission that will spend the next 180 days examining the incendiary political issues of expanding the court and instituting term limits for justices on the highest bench. (AP Photo/Patrick Semansky, File)