When September endsIn September 1989, Norville graduated from substitute to full time when the Today producing team—led at the time by Dick Ebersol—promoted her to news anchor. But her arrival coincided with Pauley’s separate realization that she was ready to exit the morning show game and NBC altogether… and that’s where the trouble started.In her 2004 memoir Skywriting: A Life Out of the Blue, Pauley recalled informing Ebersol of her decision on Sept. 7, two days after Norville joined her and Bryant Gumble on the Today show couch for the…