Bill Maher used his final “New Rules” segment on Real Time on Friday to continue hitting at a theme that he, a Democrat himself, has been hitting at for years: that Democrats should “grow a pair,” because they “look weak, running from a fight when they should be in there throwing punches.” The comments came about in response to the Democratic National Committee saying last week it would not partner with Fox News for what will be a stacked-field Democratic debate during…