Barack Obama: “He's hopeful that we'll finally get Republicans to agree to work with him on that effort.”

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.

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”.

The effort, he said, “should outrage all Americans, regardless of how they feel about Congresswoman Omar’s political views.”

And I will fight for that, even if I don’t always think it’s going to win.