This raises the second, more interesting argument in Crichton's novel. Crichton argues that concern about global warming has become a fad embraced by media elites, entertainment moguls, the scientific establishment and general public. In Crichton's view, many assertions are accepted as fact without critical analysis by the vast majority of those who have views on this issue.

On the last point, fair enough. There are indeed fewer people who have sorted through the minutiae of climate change science than have opinions on the topic. In this regard, global warming is like Social Security reform, health care finance, the military budget and many other complex public policy issues. As Nelson Polsby and Aaron Wildavsky once wrote, "Most people don't think about most issues most of the time." When forming opinions on such matters, we all apply certain predispositions or instincts and rely on others whose judgment or expertise...