The emergency appeal comes in the battle over birthright citizenship — but it could have ripple effects in cases challenging many aspects of Trump's agenda.

Trial-court judges continue to block the president’s agenda with injunctions that apply across the country. Some conservatives want to limit that power.

President Donald Trump’s administration asked the Supreme Court in a series of emergency appeals Thursday to allow him to move forward with plans to end birthright citizenship, elevating a fringe legal theory that several lower courts have resoundingly rejected.