The current disarray at the US Chamber of Commerce over its lobbying against climate legislation was made for the Yes Men and their unique style of humorous expose. Sure enough, several US media outlets reported that the Chamber had announced a reversal of its position. Entertaining video:

There's more background here, also reported in the Wall Street Journal blog, Guardian, Huff Post, apparently Reuters and CNBC reported the initial announcement. There's a nice description of the way the Chamber had to madly scramble to deny it was changing position in the Guardian:

The spokesman said he learned of the hoax when a reporter came to the Chamber office looking for the press conference. Wohlschlegel said he immediately leaped into a taxi.

Here's what the Chamber really should be saying about climate, rather than its inane "we support climate legislation, (just not any that actually exists now) line.