I've been struck by how hungry we all are for a different kind of politics. So I've spent some time thinking about how I could best advance the cause of change and progress that we so desperately need.

Al Qaeda, the Taliban, a whole host of networks that are bent on attacking America, who have a distorted ideology, who have perverted the faith of Islam, and so we have to go after them.

As I reflect back on what's worked for me in this [presidential] office it's been that I've gotten people who maybe didn't believe in the process to get engaged. Ironically, I've even gotten the other side that maybe didn't believe in the process to get engaged.

I've made it clear for years that the threat from Iran is grave.

This is our moment...while we breathe, we hope. And where we are met with cynicism and doubts and those who tell us that we can't, we will respond with that timeless creed that sums up the spirit of a people: Yes, we can.

Even limited military actions end up carrying with them great costs and unintended consequences.

If you run you stand a chance of losing, but if you don't run you've already lost.