The nation that leads the clean energy economy will be the nation that leads the global economy.

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.

All the strands of my life came together and I really became a man when I moved to Chicago.

Congress should fund research on the effects that violent video games have on young minds... We don't benefit from ignorance. We don't benefit from not knowing the science.

Our patience is not infinite. We're not willing to let this go on forever.

There's nobody to guide through the process of becoming a man... to explain to them the meaning of manhood. And that's a recipe for disaster.

We can't expect to solve problems if all we do is tear each other down. You can disagree with a certain policy without demonizing the person who espouses it.