Diane Sawyer Signs Off ABC World News [Watch]
Diane Sawyer signed off as anchor of ABC's "World News" last night. She told viewers that it has been wonderful to be the "home port" of the network's news team each weeknight.
She will be replaced next week by David Muir.
On Wednesday's newscast, she chatted briefly on the set with Muir and took viewers on a behind-the-scenes tour pointing out people who worked at "World