215 F.3d 526 (5th Cir. 2000) CORPORATE HEALTH INSURANCE, INC.; AETNA HEALTH PLANS OF TEXAS, INC.; AETNA HEALTH PLANS OF NORTH TEXAS, INC.; AETNA LIFE INSURANCE COMPANY, Plaintiffs – Appellees – Cross-Appellants,v.THE TEXAS DEPARTMENT OF INSURANCE, Defendant – Cross-Appellee,JOSE MONTEMAYOR, Commissioner of the Texas Department of Insurance; JOHN CORNYN, Attorney General, State of Texas, Defendants […]