Chief Justice John Roberts issued a defense Tuesday of judicial independence, which he said is under threat from intimidation, disinformation and the prospect of public officials defying court orders.

Chief Justice John Roberts' year-end report caps another tumultuous year for the Supreme Court, which faces calls for ethics reforms.

U.S. Supreme Court Chief Justice John Roberts authored a decision in Trump vs. United States granting the president immunity from criminal prosecution for acts done in his official capacity. Now Roberts is warning government officials about disregarding federal court rulings,