The New Jersey Supreme Court recently held that insurers can sue co-insurers to recoup defense costs.  In Potomac Ins. Co. of Ill. ex rel. OneBeacon Ins. Co. v. Pa. Mfrs. Ass’n. Ins. Co. (A-2-12) (September 16, 2013), the Township of Evesham (“Evesham”) sued its contractor, Roland Aristone, Inc. (“Aristone”), for property damage caused by construction