Barack Obama: “This year we clearly will have an opportunity to mark on the global stage the progress that has come with the nuclear…”

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

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

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.

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