Interesting paragraph in Jeanne Ostrow's story: "Jennings confirms ABC is experimenting with trying the venerable 'Nightline' in a new format. 'Ted is talking to management about working on the Sunday show ('This Week').' It's possible George Stephanopoulos could switch places with Koppel. 'It would be really tough if we lost either one of them.' He vowed to fight hard against putting a comedian or chat show in the 'Nightline' slot" at an affiliate luncheon in Denver...