AUGUSTA, Maine -- The Maine Attorney General’s Office says the estate of Robert Indiana has paid seven law firms excessive legal fees and wants the estate to recoup $3.7 million of them, according to a court filing on Monday.The estate’s personal representative, James Brannan, is disputing that he must ask the law firms to return the funds, the Portland Press Herald reported.His attorney responded to the filing on Wednesday saying the attorney general’s office is responsible for giving the firms