“Good Morning America” co-host Diane Sawyer is set to replace Charlie Gibson, who is ready to retire for 35 years at ABC News, on the evening newscast, “World News Tonight” in January 2010.

Gibson has been a anchor for the show since May 2006 when former anchor Bob Woodruff was seriously injured in an attack Iraq and plans to continue but as a occasional contributor.

In case you missed it, here is the highlight of the GMA’s host career: Diane Sawyer Drunk Video!!