They, and we, are the legacies of an unbroken chain of proud men and women who served their country with honor, who waged war so that we might know peace, who braved hardship so that we might know opportunity, who paid the ultimate price so that we might know freedom.

we will encourage more Americans to study in Muslim communities

As we keep up the pressure, our air campaign will continue to hit ISIL harder than ever.

One of the issues the Democrats have to be clear on is the given population distribution across the country. We have to compete everywhere. We have to show up everywhere. We have to work at a grassroots level, something that's been a running thread in my career.

Let's say I'm on the policy wonk end of the spectrum. As much as I can dive into a briefing book and really work to master various subjects that come before my desk, I'm still not an expert on a huge amount of the stuff that we work on.

US intelligence agencies will only use such data to meet specific security requirements: counterintelligence, counterterrorism, counterproliferation, cybersecurity, force protection for our troops and allies, and combating transnational crime, including sanctions evasion.

Part of what we have to do a better job of, if our democracy is to function in a complicated diverse society like this, is to teach our kids enough critical thinking to be able to sort out what is true and what is false, what is contestable and what is incontestable. And we seem to have trouble with that. And our political system doesn't help.