John F.Kennedy gave probably the greatest inauguration speech ever that first time, but I guarantee you when he first walked out there he was thinking, "Goodness gracious this is big and I better be up to the task."

I think that Mr. Snowden raised some legitimate concerns. How he did it was something that did not follow the procedures and practices of our intelligence community. If everybody took the approach that I make my own decisions about these issues, then it would be very hard to have an organized government or any kind of national security system.

Our nation owes a debt to its fallen heroes that we can never fully repay, but we can honor their sacrifice.

In December, I agreed to extend the tax cuts for the wealthiest Americans because it was the only way I could prevent a tax hike on middle-class Americans. But we cannot afford $1 trillion worth of tax cuts for every millionaire and billionaire in our society. We can't afford it. And I refuse to renew them again.

When I was in Washington, I would usually get home from the Capitol at about 7:30 or 8, and I would try to write as much as possible. It was almost all in the wee hours.

If you give up on the idea that your voice can make a difference, then other voices will fill the void

If the global economy is unresponsive to people who feel left behind, if inequality continues to grow, then we could end up seeing more and more of these divisions arise throughout advanced economies around the world.