...I undid Tabletop's undoing of my edits, thinking I had an unassailable response: "Tabletop's changes claim to represent Peiser's views. I have checked with Peiser and he disputes Tabletop's version."

Tabletop undid my undid, claiming I could not speak for Peiser.

Why can Tabletop speak for Peiser but not I, who have his permission?, I thought. I redid Tabletop's undid and protested: "Tabletop is distorting Peiser. She does not speak for him. Peiser has approved my description of events concerning him."

Tabletop parried: "We have a reliable source to this. What Peiser has said to *you* is irrelevant."

Tabletop, it turns out, has another name: Kim Dabelstein Petersen. She (or he?) is an editor at Wikipedia. What does she edit? Reams and reams of global warming pages. I started checking them. In every instance I checked, she defended those warning of catastrophe and deprecated those who believe the science is not settled. I investigated further. Others had tried to correct her interpretations and had the same experience as I -- no sooner did they make their corrections than she pounced, preventing Wikipedia readers from reading anyone's views but her own. When they protested plaintively, she wore them down and snuffed them out.

By patrolling Wikipedia pages and ensuring that her spin reigns supreme over all climate change pages, she has made of Wikipedia a propaganda vehicle for global warming alarmists. But unlike government propaganda, its source is not self-evident. We don't suspend belief when we read Wikipedia, as we do when we read literature from an organization with an agenda, because Wikipedia benefits from the Internet's cachet of making information free and democratic. This Big Brother enforces its views with a mouse...