For all the mockery of Kamala Harris’ call for a “No Bad Idea Brainstorm,” the ex-veep did the public a service in flagging how determined the Democratic elite remains to “blame the umpire” for their losing streak. Their party keeps pushing terrible ideas and awful candidates, but changing any of that would be painful and internally divisive. So the faithful instead fantasize about changing the rules: Lose the Electoral College; end the filibuster; pack the Supreme Court; admit new states