Jerry Sandusky

Are fierce polemics free speech?

Are fierce polemics free speech?

The climate scientist Michael Mann imagines himself on a crusade to save the planet. But if he gets his way in his lawsuit against my magazine, his legacy will be reducing the 1st Amendment’s protection for vigorous debate.

Friends of free speech are understandably alarmed every time Donald Trump talks about tightening libel laws. It’s not clear if Trump will try to act on his musings. We do know that Mann is, in effect, pursuing the same agenda in a case that could create a new precedent for chilling speech.

Mann’s suit against National Review — filed in Washington, D.C. — has already dragged on for more than four years. We tried to get it tossed...