Judge Colleen Kollar-Kotelly blocked parts of the executive order adding a proof-of-citizenship requirement to the national voter registration form.

President Donald Trump's administration was just handed another stinging loss in court. This time, his defeat came at the hands of a Republican-appointed judge who openly challenged the administration's regard for the Constitution.

Judge Colleen Kollar-Kotelly of the U.S. District Court for the District of Columbia has blocked a portion of President Donald Trump's March 25 executive order on election integrity.