(March 21, 2019, 10:28 AM EDT) -- CINCINNATI — The Sixth Circuit U.S. Court of Appeals on March 19 found that a lower federal court erred in dismissing a complaint against a life insurer seeking benefits under the Employee Retiree Income Security Act, finding that the plan participant successfully changed her beneficiary to the plaintiff under the plan’s requirements (James E. Guinn v. General Motors, LLC, et al., No.18-3522, 6th Cir., 2019 U.S. App. LEXIS 8062)....