Barack Obama: “California has been a leader in promoting hybrids and cleaner burning fuels.”

I think when we act on that basis, it doesn't always work out, but over time things do get better.

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

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”.

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.