President Donald Trump's on-again, off-again trade war has sparked anger, market volatility and confusion not only in the U.S., but also across the world. Here is what you should know after the U.S. Court of International Trade ruled that federal law did not grant Trump the "unbounded authority" to tax imports from nearly every country around the world.
On Thursday, the administration petitioned a court to allow it to continue levying tariffs, reflecting a persistent fear throughout the White House that a defeat could severely undercut its capacity to implement such policies.
