We don't turn back. We leave no one behind. We pull each other up.

We know we can't stop every act of violence, every act of evil in the world, but maybe we could try to stop one act of evil, one act of violence.

On September 11th, 2001, in our time of grief, the American people came together. We offered our neighbors a hand and we offered the wounded our blood. We reaffirmed our ties to each other and our love of community and country. On that day, no matter where we came from, what God we prayed to, or what race or ethnicity we were, we were united as one American family.

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.

To this day, the United States is profoundly grateful for our friendship and alliance with Greece.

Some technologies don't pan out; some companies fail. But I will not walk away from the promise of clean energy. ... I will not cede the wind or solar or battery industry to China or Germany because we refuse to make the same commitment here.

If we're trying to protect the American public, we should not put in place a travel ban.