Barack Obama: “The Cambridge police acted stupidly.”

People need to “rediscover what’s the story we tell about how we’re going to live together, and see each other, and recognise each other, and disagree, and yet, still care for each other”.

Because if this becomes the new normal, there’s no reason to believe it will stop with her — or that future presidents, in either party, won’t do the same.

The full weight of the federal government is being brought down on a law-abiding elected official because she has dared to criticize the president.

I think when we act on that basis, it doesn't always work out, but over time things do get better.