John Sauer over the Trump administration’s request that it be allowed to enforce a flagrantly unconstitutional executive order ending birthright citizenship. Sauer repeatedly refused to say how the case could be swiftly resolved.

The Justices on the Supreme Court wrestled on Thursday with a high-stakes case involving birthright citizenship that’s poised to shape both the Trump Administration’s immigration policy and its attempts to expand presidential power.

Justice Kagan blasted U.S. Solicitor General John Sauer on the birthright citizenship executive order— which she noted has yet to succeed in any federal court, including cases heard by Trump-appointed judges.

Supreme Court Justice Brett Kavanaugh launched a series of pointed questions at a Trump administration lawyer about the president’s plan to end birthright citizenship. The shockingly blunt approach during oral arguments Thursday signaled an apparent opposition to the administration’s arguments.

John Sauer, President Donald Trump’s solicitor ... Trump's order would end birthright citizenship for children born in the United States unless at least one of their parents is a U.S. citizen ...

Justice Brett Kavanugh flustered a Trump administration attorney by pressing him for details on how the plan to end birthright citizenship would actually work.

The right-wing justices on Thursday were amenable to the Trump administration’s bid to pare back universal injunctions, a type of relief where lower-court judges block government policies for the whole country and not just the parties who brought the case.