Winning in Afghanistan is having a country that is stable enough to ensure that there is no safe haven for Al Qaida or for a militant Taliban that welcomes Al Qaida. That's really the measure of success for the United States.

Caution is an important quality in a leader, but it has to be caution followed by decision. Caution followed by ambivalence can be a weakness.

These days, it takes only seconds - seconds - for a picture, a photo, to suddenly become an international headline.

We have throughout our history been tested when it comes to the institutions of our democracy. And thank God our forefathers were smart enough to establish a government of checks and balances to make sure that power cannot be centralized in any one branch of government. And those institutions have proven themselves.

In the zero-sum budget game, every dollar spent on this problem [illegal immigration] must be taken from somewhere else....No, we should not tolerate people immigrating illegally. But we need to treat this issue honestly and fairly.

The area of climate change has a dramatic impact on national security.

Rather than undermining the Palestinian Authority, it is in Israel's interests to strengthen it by... continuing to transfer Palestinian tax revenues and pursuing other avenues of cooperation.