The Senate on Wednesday confirmed a controversial nominee to the San Francisco-based 9th Circuit Court of Appeals over the objections of both home-state senators. Senators voted 52-45 on Kenneth Lee's nomination to the influential appeals court, giving President Trump his 40th circuit judge since taking office. Lee's confirmation came despite neither Sen. Dianne Feinstein (Calif.), the top Democrat on the Judiciary Committee, nor Sen. Kamala Harris (D-Calif.), a 2020 presidential contender, returning a blue slip on his nomination. The blue-slip rule — a precedent upheld by Senate tradition — has historically allowed a home-state senator to stop a lower-court nominee...