ABC News anchor Charles Gibson to retire Dec. 18

Charles Gibson signs off for the last time from the ABC News anchor desk. He brought 34 years at the network to a close with the Friday, December 18, 2009 edition of "ABC World News."

December 2, 2009 7:18:50 AM PST
ABC says Charles Gibson will sign off from the "World News" anchor desk on Dec. 18.

The 66-year-old Gibson, who announced his retirement in September, has been at ABC News for more than three decades and plans to continue as an occasional contributor.

He will be replaced by "Good Morning America" co-host Diane Sawyer.

Gibson has anchored "World News" since 2006, and was a co-host of "Good Morning America" for much of the 20 years before that.