That's right-the striking thing about greenhouse gases is the diversity of sources that emit them. A herd of cattle belching can be worse than highway full of hummers.

In a hyper-connected world where average is over, there is one thing we know absolutely for sure: Every good job will require more education.

I don't know what the average income of Muslim-Americans is, but Muslim-American immigrants of recent vintage, I bet they have a very above-average representation in professional and business occupations.

It is hard to partner with someone when you become so radioactive no one wants to stand next to you.

Rock stars get room keys, I get business cards. Wherever I go I meet innovators of wind power equipment, solar energy operators.

I would say that in 2000, we understand as much about how today's system of globalization is going to work as we understood about how the Cold War system was going to work in 1946.

If I were advising President Obama, since he's the one running, I would have made his campaign very simple. I promise that in four years, I will get more Americans, as many as I possibly can, the opportunity and access to some form of post-secondary education. I want more of them to graduate high school with the skill-set of post-secondary education and I want more of them to be able to obtain that post-secondary education. This is the only way we are going to close the income gap.