( April 21, 2026, 3:19 PM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court denied on April 20 a petition for writ of certiorari filed by the Office and Professional Employees International Union (OPEIU) asking the court to review a Fifth Circuit U.S. Court of Appeals panel’s decision denying the union’s motion for intervention in a trio of cases involving the constitutionality of the National Labor Relations Board....