The Supreme Court sided on Wednesday with a federal judge who had ordered the U.S. Agency for International Development to pay its contractors for completed work, rejecting the Trump administration’s wish to continue to withhold roughly $2 billion in funds. It’s the first significant decision the court has handed down on President Trump’s whirlwind of executive orders—and a sign of support for lower-court judges who are wrestling with intransigence and potential defiance of judicial orders from