(May 3, 2021, 3:36 PM EDT) -- BOSTON — Summary judgment should be granted in favor of reinsurers involved in a reinsurance billings dispute over the insurer’s allocation of a $120 million environmental claims settlement because there is no dispute that the insurer’s reinsurance allocation contradicts the exposures that the insurer actually settled, the reinsurers contend in an April 14 reply in support of a motion for summary judgment filed in Massachusetts federal court....