Barack Obama: “That's what Nelson Mandela taught us.”

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

A drift towards extremism was "not inevitable

I’m going to insist that we can do better than we’re doing right now.

If I had a blame pie for why politics is so polarised and why we're seeing a rise of populism in many places, it's because of that information that is going into our brains every day.