Barack Obama: “The NPT must be at the center of our global efforts to stop the spread of nuclear weapons around the world.”

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.

It is a basic principle of American democracy that the government can’t selectively target individuals simply because of their political beliefs or what they say.

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.

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.