There is a little bit of that schoolyard attitude of, it's one thing for a guy your own size to mouth off to you, but if there's a little guy, you should just smack him around. And it's probably bad advice in the schoolyard. It's certainly not a good way to run a foreign policy because even when you are dealing with a non-peer, militarily, war is complicated.

Whatever we think of the past, we must not be prisoners to it.

Ours is a nation of laws: of citizens who live under them and for the citizens who enforce them. So, to a community in Ferguson that is rightly hurting and looking for answers, let me call once again for us to seek some understanding rather than simply holler at each other. Let's seek to heal rather than to wound each other.

We cannot allow internet service providers to restrict the best access or to pick winners and losers in the online marketplace for services and ideas.

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.

You can’t let your failures define you. You have to let your failures teach you.

I believe in keeping guns out of our inner cities, and that our leaders must say so in the face of the gun manufacturer's lobby.