Last Thursday, on the same day that Trump blitzed the world, yet again, with a new round of tariffs on a broad range of goods, a specialized appeals court in Washington, D.C., inched closer to a definitive pronouncement on whether the President can legally make such sweeping economic demands—on a whim, whenever he feels like it.

President Donald Trump’s latest tariffs are ready to launch. Last week, Trump signed executive orders slapping tariffs of between 10% and 41% on a range of countries, but delayed their start date until Aug.

President Donald Trump’s tariffs are slowing economic growth, raising prices, undermining American manufacturing, marginalizing the US geopolitically, and attracting widespread public opposition. And future presidents may largely preserve them.