 Tillis said there was a major lapse behind the scenes. Somebody has to be held accountable. This wasn't just an honest mistake. Someone in this process needs to be held accountable. Blue Cross and Blue Shield of North Carolina will not continue a legal fight to retain the contract to administer the state's health insurance plan. Blue Cross was fighting the award of the contract for the management of the health plan for state workers, teachers, and retirees to Aetna.