An Illinois union that represents public employees jumped the gun when it filed a lawsuit challenging its obligation to represent nonmembers in workplace disputes for free, a federal appeals court held.The 7th U.S. Circuit Court of Appeals did not rule on the merits of the argument that the representation requirement violates the First Amendment rights of Local 150 of the International Union of Operating Engineers to avoid compelled speech and compelled association.The court held the union has no standing under Article III …