RALEIGH — All documents related to the change from Blue Cross Blue Shield NC to Aetna as the State Health Plan’s third-party administrative services contract (TPA) are now publicly available. Last week, the State Health Plan (SHP) published all of the materials, including requests for proposals (RFP) and the responses, on a specially created transparency page on its website. “We are the most transparent and open agency in state government,” Treasurer Dale Folwell said in a statement. “I cannot be prouder of the work done by the staff of the State Health Plan and the bipartisan State Health Plan Board…