Barack Obama: “We have to make sure that every business and every worker in America is playing by the same set of rules.”

A drift towards extremism was "not inevitable

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.

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.

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