DigitalDavid Muir to Anchor Daily ABC News Facebook Newscast Facecast: The One ThingA Facebook newscast? That is exactly what ABC News’ World News Tonight with David Muir will launch Monday with the introduction of Facecast: The One Thing, a one-minute newscast that will appear on the show’s Facebook page every weekday.By David Cohen|December 1, 2014ShareBy David Cohen|December 1, 2014SharePages: 1 2 Adweek Adweek