(July 26, 2018, 10:53 AM EDT) -- NEW YORK — An insurer in run-off on July 24 sued reinsurers, their affiliates and their current and former owners, officers and insiders in a New York federal court, alleging the misuse and mismanagement of $320 million in investments by the defendants (Senior Health Insurance Company of Pennsylvania v. Beechwood Re Ltd., et al., No. 18-06658, S.D. N.Y.)....