Eric Schneiderman and Sheldon Whitehouse, call your office. The New York Attorney General and Rhode Island Senator who helped to launch the prosecution of dissent on climate change may not like where their project is headed. Thirteen state Attorneys General have sent a letter pointing out that if minimizing the risks of climate change can be prosecuted as “fraud,” then so can statements overstating the dangers of climate change.

That’s the news contained in a letter that the Republican AGs of Alabama, Alaska, Arizona, Arkansas,...