Birthright citizenship is among several issues the administration has asked the court to deal with on an emergency basis, after lower courts acted to slow President Trump’s agenda.

A case focused on birthright citizenship could come later, but the bulk of the argument is expected to concern whether a single judge can freeze a policy nationwide.

The Supreme Court is hearing arguments this morning on what’s outwardly a case about President Donald Trump’s attempt to restrict... Thomas opens the arguments asking for a historical analogue to universal injunctions.

Norman Wong, whose great-grandfather brought the landmark case that enshrined birthright citizenship, says the new fight over the issue is "for the soul of our country."