This is the natural progression of the defeatocrats calling President Bush and the GOP "traitors", "war criminals", "Nazis" and all the rest. Did the democrats really think that the far-left lunatic fringe (aka "the base" or the "netroots") wouldn't take all that seriously? You have trained a rotweiller to attack, and forgot to wipe the sloppy joe sauce off your own hands.
Check this out.