A Wall Street Journal editor exposes his Trump-hating demons for all to see. If Paul A. Gigot, editor of the editorial page of The Wall Street Journal, had written his October 22 editorial, "No Sympathy for Steve Bannon" for a course in Trump-loathing, his editorial would have gotten an A+. If, however, he submitted the editorial to a course in Congressional Procedure, he would have gotten an F. Let me explain. The Journal's October 22 editorial agreed that Mr. Bannon should go to jail for flouting the "lawful subpoena" issued to him by the House Select Committee on Jan. 6....