Workers' Compensation Insurers Rating Ass'n v. Austin Products Co.

finding sufficient evidence to create a genuine issue of fact as to whether defendants entered into an agreement to boycott, coerce, or intimidate insurers to agree to uniform rate for worker's compensation insurance | finding sufficient evidence to create a genuine issue of fact as to whether defendants entered into an agreement to boycott, coerce, or intimidate insurers to agree to uniform rate for worker’s compensation insurance | state courts of general jurisdiction are under constitutional obligation to enforce federal causes of action | statute vesting insurance commissioner with the power generally to regulate or to supervise practices within the insurance industry sufficient to satisfy state regulation requirement under McCarran-Ferguson | applying harmless error analysis to Miranda violation | applying harmless error analysis to confession