Uncertainty about when – or whether – the two will speak could reflect their different approach to the US-China relationship.

President Trump will talk with Chinese leader Xi Jinping today about a potential tariff pause, White House trade adviser Peter Navarro said this morning at a Politico event. The Trump administration had previously said that the two leaders would speak this week,

U.S. President Donald Trump will speak with Chinese President Xi Jinping as soon as this week, Trump's spokesperson said, setting up a major diplomatic exchange as the world's two largest economies seek a deal that could avert a broader trade war.