Secretary of State Marco Rubio tells NBC News' Tom Llamas that President Trump brought up Iran during the China summit and made the U.S. position clear. NBC News correspondents Gabe Gutierrez, Courtney Kube and Andrea Mitchell join Meet the Press NOW discuss Trump's bilateral meeting with Chinese President Xi Jinping. Bonny Lin, director of the China Power Project at the Center for Strategic and International Studies, weighs in on the Taiwan issue hanging over the summit.