Home Geopolitics Mnuchin says Trump and Xi had a breakthrough moment – source- CNBC... America and the WorldGeopolitics Mnuchin says Trump and Xi had a breakthrough moment – source- CNBC (12/04/2018) By wsw staff - December 4, 2018 Treasury Secretary Steven Mnuchin joins ‘Squawk Box’ to discuss the U.S.-China trade war ceasefire, trade deficits and how Fed chair Jerome Powell is doing.