( January 23, 2026, 9:02 AM EST) -- MINNEAPOLIS — Concluding “that actuarial equivalence does not require reasonable underlying assumptions” and distinguishing five cases in which she said Ian Altman’s expert testimony concerning actuarial equivalence wasn’t excluded, a Minnesota federal judge excluded Altman’s testimony under Federal Rule of Evidence 702(c) and then repeatedly credited the opposing expert’s testimony in granting summary judgment for the defendants in the Employee Retirement Income Security Act suit concerning early retirement benefits....