(January 26, 2016, 2:45 PM EST) -- NEW ORLEANS — A business deal that resulted in the loss of approximately $90 million worth of fuel was caused for forgery and the abuse of position by the credit manager, not “a business deal gone bad” as claimed by insurer National Union Fire Insurance Company of Pittsburgh, Pennsylvania, Tesoro Refining and Marketing Co. LLC argues in its Dec. 28 appellant reply brief filed in the Fifth Circuit U.S. Court of Appeals (Tesoro Refining and Marketing Company, L.L.C. v. National Union Fire Insurance Company of Pittsburgh, Pennsylvania, No. 15-50405, 5th Cir.)....