If we are enforcing what should be the rules around Medicare and making sure the people are getting the bang for the buck, it's not going to be possible for insurance companies to simply pass on those costs to Medicare recipients, because ultimately it's Uncle Sam that's paying for those services anyway.

Sustaining the energy and focus involved in doing a good job I think starts to gets tougher the longer you do it.

This book [Dreams from My Father] was more of a reflection on my public life, now as a U.S. senator and before that as a state senator; how my perspectives around the issues of the day are shaped by my background.

I find it amusing that those who helped to authorize and engineer the biggest foreign policy disaster in our generation are now criticizing me for making sure that we are on the right battlefield and not the wrong battlefield in the war against terrorism.

Letting the free market do whatever it wants. That's not been historically how we grow. We have to invest in education, in rebuilding broadband lines and roads and runways, and it's important that we bring back American manufacturing and regulations to prevent consumers from being cheated.

In America, we want a peaceful planet. We want people to be able to enjoy their lives and know they're going to have a bright and prosperous future, not be at war. That's our purpose.

Four years ago, I promised to end the war in Iraq. We did. I promised to refocus on the terrorists who actually attacked us on 9/11. We have. We've blunted the Taliban's momentum in Afghanistan, and in 2014, our longest war will be over. A new tower rises above the New York skyline, al Qaeda is on the path to defeat, and Osama bin Laden is dead.