Principals have be to able to fire teachers, or you can't run an effective school.

Sure, global warming seems unlikely; but if it's true, it's so awful, shouldn't we take action just in case?

The ocean levels are not going to rise by 20 feet by 2100. According to the UN's International Panel on Climate Change, it's more like a single foot, or maybe 18 inches.

Government proposals to fix global warming won't work, at great expense.

A computer can only do what it's told, or programmed, to do - it can't force people to do anything, unless they allow it to do so.

Out of every million pounds of atmosphere... we are adding 6 pounds of carbon. That's .0006%.

One of the supreme ironies of our time is that a religiously-motivated US president went to war in the name of God to set up a non-religious state in Iraq to protect Americans against a highly religious movement known as Al Qaeda.

The planet Mars is getting warmer too. As far as we can tell from SEC filings, neither Exxon nor Halliburton have significant operations on that planet; nor does it fall under the authority of the Bush administration.

Over time, it's been both much colder and a good bit warmer, than it is today. It's been reported that the hottest years of the past century was 2006 until NASA found their math was wrong: it was actually 1934.

The 1962 publication of Rachel Carson's classic "Silent Spring" marks the beginning of a sea change: the mass attack on technology and progress as a whole, for environmental reasons.