Submitted: January 8, 2010 - 9:01am
Last updated: January 8, 2010 - 9:02am
Faced with the failure of the biggest recent gamble in television, NBC is shuffling its late-night deck one more time. The change, if completed, would represent a retreat from the network's strategy of replacing Mr. Leno, who drove "The Tonight Show" to the top of the late-night ratings, with the younger, hipper Mr. O'Brien, then trying to save money in prime time by replacing expensive dramas with Mr. Leno's show at 10 p.m.