While world leaders gather at the United Nations for their annual diplomatic ritual, the two biggest power brokers in global politics, US President Donald Trump and Chinese leader Xi Jinping, will sit down in a different venue on September 24: the White House ↧ A diplomatic split screen as Trump and Xi meet While world leaders gather at the United Nations for their annual diplomatic ritual, the two biggest power brokers in global politics will sit down in a different venue on Thursday: the White House.