A federal judge in Washington plans to press the Trump administration at a hearing on Monday about whether it has violated an order he issued barring officials from removing any detained noncitizens — including several suspected Venezuelan gang members — from the country with little or no due process. The hearing was scheduled by the judge, James E. Boasberg, even as President Trump’s so-called border czar, Tom Homan, made defiant remarks on television, indicating that the administration planned to continue such deportations despite the court’s order — an action that could thrust the country into a constitutional crisis, pitting one...