Cubes: Tour of ABC News Headquarters

Behind-the-scenes tour of the ABC News headquarters with David Muir, anchor of "World News." The ABC complex on Manhattan's upper west side is home to ABC News, "Live! with Kelly," and local New York station WABC. Diane Sawyer also makes a cameo in the video (as do her dozens of Emmys). Check out other "Cubes" office tours:    • Cubes   Follow us on Twitter:   / mediabistrotv   Produced by: Andrew Gauthier Weston Almond