The current enthusiasm over global warming is based on either unsound – or if you want to be more modest about it, unsettled – science. We don’t know much about climate. That’s the truth. […  am not scientist, [sic] but I strongly suggest that all of you make yourselves familiar with the science. It is not really so hard. A piece that I wrote with the Harvard astrophysicist Sallie Baliunas in the current issue of the Weekly Standard gives you the outlines.