At Mann’s Defamation Trial, Defendants Are Doubling Down on Climate Denial

Scientist Michael Mann presenting in front of a projection of the famous hockey stick graph of rising global temperatures.

On Monday, conservative blogger Mark Steyn wrapped up his confrontational cross-examination of Michael Mann, the climate scientist who is suing him and another climate denier for defamation in Washington, D.C. Superior Court.  Steyn appeared determined to portray Mann, currently the Distinguished Professor of Earth and Environmental Science at the University of Pennsylvania, as untrustworthy and […]