Mealey's (June 23, 2017, 2:17 PM EDT) -- BOSTON — In a dispute over environmental claims, an insurer argues in a June 21 brief filed in a Massachusetts federal court that it should not be forced to accept an umpire proposed by a group of insurance syndicates in arbitration because of “shenanigans” in the appointment process (Certain Underwriters at Lloyd’s, London v. Transport Insurance Co., No. 17-10618, D. Mass.)....