Supporters of the Deferred Action for Childhood Arrivals Act (DACA), gay activists and others demonstrate outside the U.S. District Court 9th Circuit in Pasadena, Calif., in May. The Trump administration has been trying to convince courts that it is justified in ending an Obama-era immigration policy that shielded hundreds of thousands of young immigrants from deportation.

Supporters of the Deferred Action for Childhood Arrivals Act (DACA), gay activists and others demonstrate outside the U.S. District Court 9th Circuit in Pasadena, Calif., in May. The Trump administration has been trying to convince courts that it is justified in ending an Obama-era immigration policy that shielded hundreds of thousands of young immigrants from deportation.