Until we fully understand what turned two brothers who allegedly perpetrated the Boston Marathon bombings into murderers, it is hard to make any policy recommendation other than this: We need to redouble our efforts to make America stronger and healthier so it remains a vibrant counterexample to whatever bigoted ideology may have gripped these young men....And the best place to start is with a carbon tax.

You'll know the green revolution has been won when the word 'green' disappears.

I am hoping, though, that many of them have kids, who, when they have a moment to take a break from their iPods, Internet, or Google, will explain to their parents running the country just how the world is being flattened.

I have no problem with a war for oil-if we accompany it with a real program for energy conservation. But when we tell the world we couldn't care less about climate change, that we feel entitled to drive whatever big cars we feel like, that we feel entitled to consume however much oil we like, the message we send is that a war for oil in the gulf is not a war to protect the world's right to economic survival-but our right to indulge. Now that will be seen as immoral.

Every sport needs its temple, its cathedral.

Most jobs are outsourced to the past, they aren't outsourced to India or Mexico or Pakistan or anywhere else.

I think no country is going to be immune from the Arab awakening because the Arab awakening is driven by deep human longing for dignity, for justice and for freedom. I think that applies to young people in Saudi Arabia as much as to young people in Egypt, Tunisia, or Yemen, or Libya, or Syria. If I were in Saudi Arabia, I would be getting ahead of this and looking for ways to appreciate those aspirations and align my country with them.