In a moment that reveals the tension between executive ambition and constitutional limits, the Trump administration has returned $100 billion to American businesses — duties the Supreme Court ruled it had no authority to collect. The refund, covering three-fifths of the $165 billion struck down in February, arrives even as the administration presses forward with new tariffs on more than eighty nations, now challenged by a twenty-five-state coalition alleging the same overreach in different legal clothing. The story is an old one: a government testing the boundaries of its own power, and the in