I saw courage both in the Vietnam War and in the struggle to stop it. I learned that patriotism includes protest, not just military service.

And if [Vladimir Putin] does fight ISIL alone, how does it work out for Russia to have sided with Assad, sided with Iran, sided with Hizballah, when they're trying to reach out to the rest of the Sunni world in the region? That's not a good equation for Russia.

You just don't invade another country on phony pretext in order to assert your interests!

My hope is the Trump administration will approach Russia strategically, with a clear purpose of trying to find more common ground, but without giving up on fundamental values and principles that are at the core of the United States' foreign policy.

The problems of health care can be solved if we stop giving tax cuts to those who have the most, and start making health care affordable for those working harder and harder for too little.

I will never cede the authority of our country or our security to any other nation. I'll never give a veto over American security to any other entity - not a nation, not a country, not an institution.

If the threat is jihadism - and it is - and the threat is the destruction of Syria so that all of these refugees are swamping into Europe and changing the whole character and politics of Europe, this is the time to unite to find a way out.