(December 12, 2017, 1:29 PM EST) -- MIAMI — Circuit precedent requires that federal courts exercise jurisdiction over insureds’ state law contract claims involving Employee Retirement Income Security Act plans, a federal magistrate judge in Florida held Dec. 5 (Stephen A. Marino Jr. v. Blue Cross & Blue Shield of Florida Inc., et al., No. 17-22886, S.D. Fla.)....