TODAY 3rd Hour: U.S. Open champ Novak Djokovic live on TODAY. Rebuilding Ground Zero. Understanding your emotions. American Ninja Warrior hosts Matt & Akbar live on TODAY.

Novak Djokovic live on TODAY to talk about his U.S. Open championship. Also, an inside look at the new performing arts center In lower Manhattan to honor 9/11. Plus, trauma therapist Anita Phillips shares some life lessons about what it really means to be an emotional person and why it’s not necessarily a bad thing. And, “America Ninja Warrior” hosts Matt Iseman and Akbar Gbaja-Biamila  in studio 1A to talk about its 15th season grand finale.