Conservative allies of Donald Trump are escalating their response to the Supreme Court ruling by urging impeachment of justices and proposing extreme measures such as sterilization of foreign visitors and a ban on pregnant women entering the US.The Justice Department is issuing guidance to prioritize prosecutions of alleged birth tourism schemes while the White House is signaling a push for congressional legislation to limit birthright citizenship despite constitutional barriers.The American Civil Liberties Union led the class action that produced the Court's decision and has pledged to sue if Congress attempts to erode the Fourteenth Amendment guarantee, mobilizing legal and civil rights networks.Chief Justice
John Roberts wrote the majority opinion reaffirming the Citizenship Clause, but dissents from
Samuel Alito and
Clarence Thomas and a concurrence from
Brett Kavanaugh keep alive legal debates that conservatives say they will pursue through Congress and litigation.