Communists for Kerry is a satire site. They are making fun of Kerry.
They got a lot of press during the conventions. Their website is very nicely done. You really have to read carefully to understand what they are doing.
I just spent a half hour perusing that site and it's a very well done parody. Of course, they also have Klara the Trotsyite Killer too. Rarrrrr..... :-)