Barack Obama: “We've been through tougher times before, we've been through bigger challenges before, and we've always come out…”

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.

Use that hope to make a difference. Get involved.

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

A drift towards extremism was "not inevitable