We cannot stop every act of senseless violence. We cannot know every evil that lurks in troubled minds. But if we can prevent even one tragedy like this, save even one life, spare other families what these families are going through, surely we've got an obligation to try.

I am willing to work with anybody who wants to have a serious conversation about our fiscal future. We're not going to do this under the threat of blowing up the entire economy. I will not negotiate over Congress' responsibility to pay the bills that have already been racked up. I don't know how I can be more clear about this.

We remember the specter of sectarian violence -- al Qaeda's attacks on mosques and pilgrims, militias that carried out campaigns of intimidation and campaigns of assassination. And in the face of ancient divisions, you stood firm to help those Iraqis who put their faith in the future.

Unemployment is low, incomes are up, poverty is down - and that's going to be a lasting change.

All I want to do, if you've already got health care, is lower your costs.

In this new, hyper competitive age, none of us, none of us can afford to be complacent.

I would meet directly with the leadership in Iran.