The Trump administration has set the stage for weeks of heightened tension between the U.S. and its trading partners as administration officials race to meet self-imposed deadlines to complete a series of high-stakes negotiations with China, Mexico, Canada and Europe.
A U.S. trade delegation left Tuesday for China hoping to glean trade concessions from Beijing, while earlier in the day U.S. Trade Representative Robert Lighthizer confirmed, after months of wrangling with Mexico and Canada, a mid-May deadline for the renegotiation...