RALEIGH, N.C., June 17 -- The North Carolina State Treasurer issued the following news release: State Treasurer Janet Cowell announced today that the Department of State Treasurer has been successful in negotiating investment manager fee reductions resulting in an annual cost savings of over $2.4 million for North Carolina's pension fund. A recent fiduciary review of the Investment Management Division conducted by EnnisKnupp found that the majority of the fund's outside investment managers  more