Amid the growing battle between President Donald Trump and the courts, a once-unthinkable question is harder to shrug off: Will the administration deliberately defy federal judges if it doesn’t get what it wants? The issue has come into sharp relief in the challenge to the administration’s deportation of Venezuelan nationals under the purported authority of the Alien Enemies Act. The presiding judge — James Boasberg, chief judge of the federal district court in Washington, D.C. — directed the government from the bench to turn the planes around carrying the deportees. That did not happen, though the administration claims it did...