President Donald Trump, speaking from the Oval Office Thursday, downplayed an upcoming nuclear summit in Beijing between Iran, Russia, and China, three chief adversaries of the U.S.The discussions, first confirmed by the Chinese foreign ministry Thursday and which come just days after Iran rebuffed Trump’s push to engage in nuclear negotiations, will coincide with a United Nations Security Council meeting regarding Tehran’s expansion of near-weapons-grade uranium. Trump suggested perhaps Beijing, Moscow and Tehran will be having their own discussions on "de-escalation.""Well, maybe they're going to talk about non-nuclear problems. Maybe they're going to be talking about the de-escalation of nuclear weapons,"










