Daily Kos: Research 2000 Polling was Bunk

Hand it to Daily Kos. When approached by experts about problems with their polling contractor, they investigated. When it turned out there was reason to doubt their polling contractor, they went public. No effort to sweep bad data under rug.
http://www.dailykos.com/storyonly/2010/6/29/880185/-More-on-Research-2000