September 16, 2003 General Manager Is Replaced in a Reorganization at CNNBy JIM RUTENBERG railing in the ratings behind the Fox News Channel, CNN announced a reorganization yesterday meant to help it produce more compelling news programs. The changes include a management reshuffling in which Teya Ryan, the general manager of CNN's domestic network, will step down. She is to be succeeded by a Viacom executive, Princell Hair, whose main experience has been in local television news. The main change, said Jim Walton, CNN's president, is a fundamental shift in the way CNN collects its news. The network has traditionally...