Barack Obama: “At the heart of the American ideal is this sense that we're in it together; that nobody is guaranteed success, but…”

The full weight of the federal government is being brought down on a law-abiding elected official because she has dared to criticize the president.

A drift towards extremism was "not inevitable

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.

When we choose, when we make that decision, I do believe – and there is evidence for this – that the world gets incrementally better, and that is a worthy goal and it’s worth fighting for.