My first job as commander in chief is to keep the American people safe.

If you were president 50 years ago, the tragedy in Syria might not even penetrate what the American people were thinking about on a day to day basis. Today, they're seeing vivid images of a child in the aftermath of a bombing.

When it comes to immigration, I have actually put more money, under my administration, into border security than any other administration previously. We've got more security resources at the border - more National Guard, more border guards, you name it - than the previous administration. So we've ramped up significantly the issue of border security.

What we can be scientifically certain of is that our continued use of fossil fuels is pushing us to a point of no return

There's no doubt that I'm a better president now than when I first took office. This is not a job where there's a manual, and over time you get a better sense of what's important, what's not, how to see around corners and anticipate problems, as opposed to just managing problems once they've arrived.

America's not just [about] looking out for yourself, it's not just about greed, it's not just about trying to climb to the very top and keep everybody else down. ... Hard work, that's a value. Looking out for one another, that's a value. The idea that we're all in it together and [that] I'm my brother's keeper and [my] sister's keeper, that's a value.

You've got audiences cheering at the prospect of somebody dying because they don't have health care and booing a service member in Iraq because they're gay. That's not reflective of who we are.