Many years ago, journalist Michael Kinsley secured a place in our history when he observed that “a faux pas is when you blurt out the truth in Washington.” Last Friday, Supreme Court Justice Ruth Bader Ginsburg committed a faux pas in a New York Times interview, blurting out the truth that she is intensely partisan and decides major cases on ideological grounds. Federal judges are supposed to keep out of the political mud, but Justice Ginsburg opined that Donald Trump would be a national disaster. “I can’t imagine what the country would be with Donald Trump as our president,” she...