Barack Obama: “That there was a diminishing return at a certain point and it kind of flattened out.”

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.

A drift towards extremism was "not inevitable

It is a decision about how do we face and embrace this finite amount of time we have on the planet.

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.