Amanda Carpenter of the Washington Times informs us that "Green jobs 'czar' signed 'truther' statement in 2004" (link), referring to Van Jones signing the statement here.
There are a couple problems detracting from the WashTimes' scoop:
1. One of the other signers is Kelly Patricia O'Meara who used to write for the now-defunct Insight on the News magazine, which was part of the Washington Times...