We are greater than the sum of our individual ambitions

If we're not vigilant foreign countries can have an impact on the political debate in the United States in ways that might not have been true 10, 20, 30 years ago in - in part because of the way news is transmitted and in part because so many people are skeptical of mainstream news organizations that - everything's true and everything's false.

We can't drive our SUVs and eat as much as we want and keep our homes on 72 degrees at all times... and then just expect that other countries are going to say OK. That's not leadership. That's not going to happen.

But today, just a few years into the twenty-first century, we already find ourselves in a different and precarious position. As revolutions in communications and technology have broken down barriers across the world, it has given more power to both our competitors and our enemies.

It's important to recognize that you can't have 100 percent security and also then have 100 percent privacy and zero inconvenience.

Reverend Wright has been my friend and mentor for over 20 years.

One of the things that you come pretty early on to understand in this job, and you start figuring out even during the course of the campaign, is that there's Barack Obama the person and there's Barack Obama the symbol, or the office holder, or what people are seeing on television, or just a representative of power. And so when people criticize or respond negatively to me, usually they're responding to this character that they're seeing on TV called Barack Obama, or to the office of the presidency and the White House and what that represents.