Barack Obama: “Powerful special interests and their lobbyists should not be able to drown out the voices of the American people.”

A drift towards extremism was "not inevitable

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.

This race is going to be close. It could determine which party controls the Senate and whether Ohioans can count on the people in Washington to be fighting for you.

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