Everything depends very much on who you are, what your values are, what your commitments are, what circumstances you live in and what options you're willing to undertake, and that determines what you ought to be doing.

Bolivia is in the lead internationally in talking about the threat of environmental catastrophe. It's generally true where there are indigenous populations, there are important things happening; where the indigenous populations have been marginalized or exterminated, things go to a disaster. This is true worldwide, and Bolivia is striking because it's a majority population and in the lead.

Radical Islamist extremists surely hope that an attack on Iraq will kill many people and destroy much of the country, providing recruits for terrorist actions.

[According to the rigid dogma] we have to believe the United States would have so-called liberated Iraq even if its main products were lettuce and pickles and the main energy resource of the world were in central Africa.

Popular support for alternative energy has been very high for years. But it harms corporate profits.

Scientists generally, not just evolutionary biologists, don't take much for granted.

the Federal Reserve, has an official commitment to two different policies. One is to prevent inflation from getting too high. The second is to maintain high employment... The European central bank has only the first. It has no commitment to keep employment up.