Barack Obama: “Pittsburgh stands as a bold example of how to create new jobs and industries while transitioning to a 21st-century…”

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.

A drift towards extremism was "not inevitable

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

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