The provisional trade deal reached by China and the United States in Geneva last month exceeded expectations, with the two sides agreeing to roll back for 90 days the majority of tariffs and other countermeasures they had imposed in the preceding weeks. To be sure, a number of tariffs remain — including all those the U.S. imposed on China during Donald Trump’s first presidency — and little progress was made in resolving underlying disagreements, such as over fentanyl flows into the U.S.. B