Michael Corn, will replace Cibrowski as senior executive producer of "GMA"; Almin Karamehmedovic replaces Corn as executive producer of "World News"
David Letterman also silent on upcoming three-way ratings fight
"Nightline" moving to 12:35, getting an hour in primetime on Fridays
The 41-time Emmy winner is joining the Brian Williams newsmagazine, which will fill "The Playboy Club" slot
Late night gets slightly more funny, less newsy
Leno had the highest ratings and most viewers but also saw the biggest declines compared to last year
Exclusive interview with Sandra Bullock's unfaithful husband draws bigger audience than "Tonight Show" and "Late Night"
ABC's late-night news show lands first interview with post-Bullock James
ABC spinoff show, debuting in June, will be hosted by Terry Moran.
The New York Times is reporting that Jimmy Kimmel's late-night comedy show may be moving from midnight to the 11:35 time slot, which now is...