For decades, Barbara Walters has been described as a broadcast pioneer - and with good reason. In 1974, Walters became the first female host of the 'Today' show. In 1976, she became the first woman to serve as a network-news anchor. In 1984, she moderated the first presidential debate between Walter Mondale and Ronald Reagan.

Most people prepare for travels by reading about their destination; it always seemed an odd approach to me. I find it much easier and more pleasant to focus with the sights and smells of a place rattling around in my mind.

It is a remarkable fact that smallpox, a scourge for thousands of years, has now vanished from the earth, except for two tiny vials, one locked in a highly secure facility at the Centers for Disease Control, in Atlanta, and another stored in a similarly secure vault in Siberia.

The history of agriculture is the history of humans breeding seeds and animals to produce traits we want in our crops and livestock.

Given that, and assuming that we begin to adjust to issues like climate change and the greenhouse effect, Denver's location in the center of the country becomes a tremendous advantage.

Moreover, environmental health at the local level has become narrowly focused, very much defined around regulations and the attendant regulatory debates.

Maybe climate change is a threat, and maybe climate change has been tarted up by climatologists trolling for research grant cash. It doesn't matter.

Whatever the motivation of the 'Wall Street Journal' and other right-wing publications, it is clearly long past time for the climate denial scheme to come in from the talk shows and the blogosphere and have to face the kind of an audience that a civil RICO investigation could provide.