There is dessent and there is total left wing lunacy. I am talking left wing lunacy.
I agree that there is a contingent of DU'ers that infiltrate this website, particularly before elections to try to talk up wedge issues and spread disinformation.
I have always assumed that Jim let them stay so that the two sides could debate "mano a mano". Unfortunately you can't debate with libs because conservatives believe in facts and liberals believe in making up facts.