The Senate Republican playbook should be put House Speaker Nancy Pelosi on mute and get this trial started. Pelosi and the Democrats have no say in the matter. They don’t. And by withholding the articles of impeachment against President Trump because they know it faces certain death in the Republican Senate creates a new constitutional crisis of its own. This isn’t about a fair trial. As Wall Street Journal columnist Kimberley Strassel noted, a trial would only further degrade their position in the polls on this impeachment push. It was never popular from the start, and now it’s underwater nationally. It’s...