Barack Obama: “One of the things we're doing to fuel more private sector innovation and discovery is to make vast amounts of America's…”

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

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.

A drift towards extremism was "not inevitable