Trump’s outrage unleashes dangerous chain reaction

The showdown is nearly upon us.

Friday the Supreme Court ruled that the Trump regime cannot deport a group of Venezuelans while the matter is being litigated in the courts. The regime can’t merely allege that they’re members of a violent gang; it must give them sufficient time to challenge their deportations. And it can’t merely assume that the eighteenth-century Alien Enemies Act gives it authority. Both the facts of these cases and the law have to be hashed out in lower courts.

The...