Barack Obama: “For these reasons, I was pleased to have cosponsored the renewable fuels standard that passed last year.”

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

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”.

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