Barack Obama: “Our thoughts and prayers as a Nation are with the service members killed last week in Chattanooga.”

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.

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.

Because if this becomes the new normal, there’s no reason to believe it will stop with her — or that future presidents, in either party, won’t do the same.

And I will fight for that, even if I don’t always think it’s going to win.