There's no doubt that probably at least once a week, maybe once a day, I said, "Ah, I should have done that better."

If Iran does not take steps in the near future to live up to its obligations, then the United States will not continue to negotiate indefinitely... Our patience is not unlimited.

What is certainly true is that the United States has to have a presence to promote the values that we care about.

Every three weeks, we bring online as much solar power as we did in all of 2008.

That window is closing. . . . Now, the clock is ticking. . . . We're not going to have these talks just drag out in a stalling process. . . . We haven't given away anything - other than the opportunity for us to negotiate

I am not opposed to all wars. I'm opposed to dumb wars.

But today, just a few years into the twenty-first century, we already find ourselves in a different and precarious position. As revolutions in communications and technology have broken down barriers across the world, it has given more power to both our competitors and our enemies.