News Snapshot:
Open this photo in gallery: U.S. President Donald Trump speaks as he signs executive orders in the Oval Office of the White House on April 9, in Washington.The Associated Press On vivid display in only a handful of days this month is a lesson of the capacity of unilateral power to affect the globe’s trading system – and of the limits of power that Donald Trump has discovered as the world reacted to his imposition of tariffs. That power was on display as retailers, importers, Wall Street and Bay Street traders, central bankers, car dealers and grocery shoppers reacted with...