To the extent that our workers compete with low-paid Mexicans, it is as much through undocumented immigration as trade. This pattern threatens low-paid, low-skill U.S. workers. The combination of domestic reforms and NAFTA-related growth in Mexico will keep more Mexicans at home. It is likely that a reduction in immigration will increase the real wages of low-skilled urban and rural workers in the United States.

Demand that your government pays more attention. It's immoral that people in Africa die like flies of diseases that no one dies of in the United States. And the more disease there is, the more political unrest there will be, leading to more Darfurs, which the U.S. will have to pay to fix.

I don't like to use the word sacrifice.

Let's create an integrated global community where we have shared benefits and responsibilities, and we don't fight because of our differences.

We can't be so fixated on our desire to preserve the rights of ordinary Americans.

Constant conflict is actually often good politics. Because the more you can inflame your supporters the more likely they are to show up at election day. And if they're more inflamed than the other side, even if the other side has more people agreeing with it, you'll win, because your crowd will show up.

The new energy future is decentralised, entrepreneurial and needs people like you to say 'Give me a clean car, give me solar shingles to put on my roof - give me a clean future'