Doug Holtz-Eakin: Economist and former advisor to John McCain on potential easing tensions between the US and China

Rising hopes of easing tensions in the trade war between the US and China. 

Donald Trump's signalling a potential U-turn, saying the 145% tariffs on Chinese goods are "very high" and will "come down substantially". 

But the two countries are yet to hold any formal trade talks. 

Economist Doug Holtz-Eakin —a former adviser to John McCain— told Mike Hosking if Trump keeps waiting for Xi Jinping's call, he'll be waiting a long time. 

He says China has no reason to come to the table, and intermediaries will need to get involved to get both sides talking. 

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