Mealey's (March 9, 2018, 12:27 PM EST) -- LAS VEGAS — The board of directors for casino operator Wynn Resorts Ltd. breached its fiduciary duty and was unjustly enriched because of its efforts to conceal years of alleged sexual misconduct by the company’s former CEO, Stephen A. Wynn, the state of Oregon argues in a March 6 shareholder derivative complaint filed in Nevada state court (Oregon, et al. v. Stephen A. Wynn, et al., No. A-18-770578-B, Nev. Dist., Clark Co.)....