Last month, the Supreme Court limited the use of nationwide injunctions, which allow judges to block policies they have found unlawful from going into effect nationwide. Now a New Hampshire judge is road-testing a substitute: He has temporarily blocked Donald Trump’s birthright citizenship executive order by certifying a class action to cover babies born in all 50 states.

The court tied the hands of judges at a time when Congress has been cowed and internal executive branch constraints have been steamrolled.

Federal judges have continued to order sweeping halts to President Donald Trump’s policies in the immediate aftermath of a US Supreme Court decision that limited their use of such powers.On Thursday,