The disaster in the gulf shows: relying on dangerous, dirty fuels can at times impose incalculable costs. I have never heard of a wind farm collapsing and causing a massive wind-slick. I have never heard of a solar farm collapsing and leaving behind a catastrophic sun-spill.

You don't get fewer followers saying outrageous stuff on Twitter.

If the road to social transformation can be paved only by saints who never make mistakes, the road will NEVER be built.

People can tell if you don't like 'em. African Americans can tell we're not welcome in the Republican Party no matter how many times they say we are. All the signals that it's a party that tolerates anti-black racism is very clear.

Right now, the government is spending billions of dollars supporting the problem-makers in the U.S. economy - the polluters, despoilers, incarcerators, and warmongers.

There are only two ways to have a middle class in your country: either you have highly skilled manufacturing jobs, or you have a highly skilled, well trained, knowledge-based workforce. In other words, college.

The dirty energy crowd can be offset only by the power of the rising clean energy sector and the American people, aroused across party lines.