What the 'TACO trade' is missing about what Trump is serving up

Open this photo in gallery: U.S. President Donald Trump recently stepped up his tariff threats with new levies that could hit Canada, the European Union and Mexico August 1.Evan Vucci/The Associated Press The Wisdom of Crowds is a 2004 book by James Surowiecki that examines how decisions and predictions made through the aggregation of information by large groups of people - such as, for example, the stock market - are often remarkably accurate. Extraordinary Popular Delusions and the Madness of Crowds is a 19th-century book by Charles Mackay that documents the opposite: the tendency of large groups of people -…