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 deprivation of US citizenship and an abrupt change of policy that was longstanding … that’s irreparable harm.” With those words, U.S. District Judge Joseph Laplante drew a bold line in the sand, certifying a national class and issuing a preliminary injunction that prohibits President Trump’s executive order targeting birthright citizenship for children born on

President Donald Trump's administration was handed another loss Thursday in its bid to end birthright citizenship. Judge Joseph Laplante of the U.S. District Court for the District of New Hampshire issued a preliminary injunction blocking the executive order Trump signed in February that attempted to end birthright citizenship altogether.