WASHINGTON (AP) - The nation's highest court will be a no-show at President Clinton's last State of the Union speech tonight. Supreme Court officials delivered a brief note to the House sergeant at arms today that said, "No justices will be in attendance." "Justices of the court had planned to attend," the note said, "but travel changes and minor illnesses have intervened. No justices will be in attendance but they thank you for the invitation to be present for the address." At least some of the court's members, wearing their robes, have been present at every State of the ...