Megan McArdle, Columnist

You Can Argue What Ought to Be, or Make It Happen

Moral dudgeon is fun but doesn't win friends.

Hume figured this out a while back.

Photographer: Jeff J Mitchell/Getty Images
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Are you tired yet of hearing about what we need to do to fix American politics? The earthquake of Trump’s election has unleashed a torrent of such suggestions. Mostly, it turns out that we need to do whatever it was the author wanted us to do on the day before the election. Those few contributions that struck an original note have caused an eruption of white-hot molten outrage from former allies.

So it is with some trepidation that I offer yet another suggestion for improving the sad state of our political discourse: Study David Hume’s distinction between “is” and “ought,” a concept that a whole lot of people on both sides seem to be struggling with.