BIRMINGHAM, Ala. (AP) — A judge in Birmingham has cleared the way for Alabama's largest county to move forward with the largest municipal bankruptcy in U.S. history.U.S. Bankruptcy Judge Thomas E. Bennett says state law authorizes Jefferson County to file for bankruptcy. Bennett is overruling objections by Wall Street creditors, who asked him to dismiss the bankruptcy petition.Bennett issued his order late Sunday.Jefferson County filed the largest municipal bankruptcy ever in November after years of negotiations failed to resolve a more than $4 billion debt linked to borrowing for the county's sewer system.Lenders asked Bennett to throw out the case, arguing that Alabama law doesn't allow Jefferson County to file a municipal bankruptcy. That would have sent the case back to negotiations.The judge disagreed, authorizing the bankruptcy.