Trump gives progressives a way to channel whatever guilt they might have - whether from preventing homebuilding, benefitting from unfair taxes and pensions, or depriving black and Latino students the teacher quality and school funding they need - into a sanctimonious tribal rage against Republican racism.

Even if people do wrong, we're social animals, so what can we do about stopping them doing the same things in future? Saying people are 'bad' or 'evil' is just an unwillingness to engage; an unwillingness to try to empathise. That sanctimonious attitude doesn't help anyone.

Well, I certainly don't," said Percy sanctimoniously. "I shudder to think what the state of my in-tray would be if I was away from work for five days.

Even if people do wrong we're social animals so what can we do about stopping them doing the same things in future? Saying people are 'bad' or 'evil' is just an unwillingness to engage an unwillingness to try to empathise. That sanctimonious attitude doesn't help anyone.