In reading the letter from Roger Cohen, William Happer, and Richard Lindzen (CHL), I have the sense of walking into a barroom brawl.

William Nordhaus, noticing that these sharp shooters are “firing a fusillade of complaints at everyone in sight, including Science editor Donald Kennedy, climate scientists with hacked e-mails, columnist Paul Krugman, biologist Paul Ehrlich, activist Robert Kennedy Jr., economist Nicholas Stern, and even former Vice President Al Gore.”