Barack Obama: “What public service ought to be.”

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

Use that hope to make a difference. Get involved.

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.

People need to “rediscover what’s the story we tell about how we’re going to live together, and see each other, and recognise each other, and disagree, and yet, still care for each other”.