Barack Obama: “The United States is excited and fully supportive of Brazil's rapid expansion.”

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

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

It is a basic principle of American democracy that the government can’t selectively target individuals simply because of their political beliefs or what they say.

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”.