All of this suggests that the communist who runs China has no interest in embracing freer trade with the United States. But Don Luskin of Trend Macrolytics argues that to avoid an economic calamity and resulting social unrest, Mr. Xi will have to cut a deal with the U.S. In a note to clients this week, Mr. Luskin writes that the arrest in Canada of Meng Wanzhou, chief financial officer of Chinese telecom giant Huawei, is only adding to the pressure on Mr. Xi:

TrendMacro chief investment officer Donald Luskin discusses how a federal judge ruled that ObamaCare is unconstitutional, and market volatility.