Even limited military actions end up carrying with them great costs and unintended consequences.

One of the things that I've learned, and I think we've all learned, is that we are not going to get the kind of decisive, permanent victories in this fight against terrorism that we would get from fighting another country. We're not going to get that MacArthur/Emperor moment, because by definition, even after decimating Al Qaeda in the Fata, even after taking out [Osama] bin Laden there's still people there who have both the interest and the capacity if we don't maintain vigilance to strike against the United States.

There's no one who I believe has ever captured the soul of America more profoundly than Abraham Lincoln has.

I'm not somebody who is always comfortable with language that implies I've got a monopoly on the truth, or that my faith is automatically transferable to others.

Long before being nerdy was cool, there was Leonard Nimoy.

We, the people, still believe that our obligations as Americans are not just to ourselves, but to all posterity. We will respond to the threat of climate change, knowing that the failure to do so would betray our children and future generations. Some may still deny the overwhelming judgment of science, but none can avoid the devastating impact of raging fires and crippling drought and more powerful storms.

There are values that transcend race or culture, that move us forward, and there's an obligation for all of us individually as well as collectively to take responsibility to make those values lived.