Our alliance with our NATO partners has been a cornerstone of U.S. foreign policy for nearly 70 years, in good times and in bad and through presidents of both parties because the United States has a fundamental interest in Europe's stability and security.

It wasn't until about a year, year and a half in where I began to realize that the Pentagon and our national-security apparatus and the CIA were all getting too comfortable with the technology as a tool to fight terrorism, and not being mindful enough about how that technology is being used and the dangers of a form of warfare that is so detached from what is actually happening on the ground. And so we initiated this big process to try to get it in a box.

These are young people who made mistakes that aren't that different than the mistakes I made and the mistakes that a lot of you guys made, we have a tendency sometimes to almost take for granted or think it's normal that so many young people end up in our criminal justice system. It's not normal. ... What is normal is teenagers doing stupid things.

Let us each of us now embrace with solemn duty, and awesome joy, what is our lasting birthright. With common effort and common purpose, with passion and dedication, let us answer the call of history and carry into an uncertain future that precious light of freedom.

We have to enforce the laws we've already got, make sure that we're keeping guns out of the hands of criminals, those who are mentally ill. I also share your belief that weapons that were designed for soldiers in war theaters don't belong on our streets. And so what I'm trying to do is to get a broader conversation about how do we reduce the violence generally.

America is an unlikely place - a country built on defiance of the odds; on a belief in the impossible. And I remind you of this because as you set out to live your own stories of success and achievement, it's now your turn to help keep it this way.

Clearly, Iran has influence in Iraq. Iraq has a majority Shi'a population, they have relationships to Iran. Some are natural.