Barack Obama: “It is imperative that the United States not default on the Nation's obligations.”

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

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.

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