In recent days the hordes of social media activists and agitators have been busier than ever intimidating, excoriating and stomping out diversity of thought wherever it appears. This weekend, the Guardian newspaper published an interview with country music star Shania Twain. She discussed her career, troubled childhood, marriage and other typical areas of conversation and then ventured into politics and, of course, Donald Trump. “I would have voted for him because, even though he was offensive, he seemed honest. Do you want straight or polite? Not that you shouldn’t be able to have both. If I were voting, I just...