What Secretary Ash Carter is looking at is the constant pressure that Russia's putting on our European allies. The way that Russia is trying to move the boundaries of the post-World War II Europe. The way that he is trying to set European countries against one another, seizing territory, holding it in Crimea. Beginning to explore whether they could make some inroads in the Baltics.

When you inherit the level of economic catastrophe that President Obama inherited, it was a real touch-and-go situation.

I still support the right of local communities to make up their own minds about whether or not they want to permit fracking.

The right to express one's views, practice one's faith, peacefully assemble with others to pursue political or social change - these are all rights to which all human beings are entitled, whether they choose to exercise them in a city square or an Internet chat room. And just as we have worked together since the last century to secure these rights in the material world, we must work together in this century to secure them in cyberspace.

Americans want to have what members of Congress have: guaranteed health coverage.

I am not somebody who just says let's beat up on the bad guys. No. I want to summon the good guys and give people the incentives and opportunities to actually grow this economy, put more people to work, get the middle class really feeling like they're back in business.

We need to wage this war against ISIS from the air, on the ground, and online, in cyberspace.