Barack Obama: “America is stronger, it's more prosperous, and opportunity is available to every single American.”

The fact that any president, or any administration, is willing to engage in such transparent efforts to intimidate someone should outrage all Americans, regardless of how they feel about Congresswoman Omar’s political views.

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”.

A drift towards extremism was "not inevitable

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