On the first anniversary of President Donald Trump’s “Liberation Day,” consumers are spending more for goods, economic growth and job growth are expected to slow, and government revenue has been pouring in. The past year has been full of twists and turns as the administration negotiated tariff rates with dozens of nations. The U.S. Supreme Court has now scrambled that picture, striking down in February the tariffs that the president imposed on “Liberation Day” under the International Emergency Economic Powers Act. That move cut the nation’s average effective tariff rate on imported goods from nearly 14% to just above 11%, the Yale Budget Lab estimates. But Mr. Trump’s other tariffs remain in place, mostly targeting specific product categories such as steel and automobiles. And following the court’s ruling, the administration moved quickly to impose 10% temporary tariffs on select goods.…