With taxes, if they aren't working right, we can change them with a stroke of the pen. It's basically a market-type mechanism. People make their own choices. You run the taxes, and you get the results.

With taxes, if they aren't working right, we can change them with a stroke of the pen. It's basically a market-type mechanism. People make their own choices. You run the taxes, and you get the results.

In pushing other species to extinction, humanity is busy sawing off the limb on which it perches.

There are lots of excellent analysts out there. John Holdren at the Harvard Kennedy School, who was just president of the American Association for the Advancement of Science, has been talking about this stuff for years. There are lots of people out there who understand what’s going on. The problem is, they aren’t much picked up on Fox News.

Here's the scientific community saying, fundamentally, "If we don't change our ways, we're screwed." And they got no attention at all. Even though the Union of Concerned Scientists put out this statement which was signed by more than half of all the Nobel laureates in science and another 1,500 distinguished scientists.

We ought to take good care of everybody we have on the planet, but we ought to regulate the rate at which people join us. The old saying is, "It's the top of the ninth inning, and humanity has been hitting nature hard, but you've always got to remember that nature bats last."

We're one of the most highly regulated industries, and we have to pay attention to what government is doing.