As it pushes to implement a plan to end birthright citizenship, the Trump administration is counting on an argument about out-of-control federal judges to prove irresistible to some Supreme Court conservatives.

Trump has said he thinks the Supreme Court will let him restrict birthright citizenship to bolster security along the southern border.

Donald Trump took the fight over his attempt to restrict automatic U.S. birthright citizenship to the Supreme Court on Thursday as the Republican president's administration asked the justices to narrow a judicial block imposed on this key element of his hardline approach toward immigration.