A CUNY professor who called religious believers "moral retards" has gone on another Internet rant - calling himself a defiant "superman" and comparing religion to oppressive regimes. A firestorm erupted at Brooklyn College after the views of Timothy Shortell - elected to head the sociology department this month - were revealed in a Daily News story on Monday. "Christians claim that theirs is faith based on love, but they'll just as soon kill you," Shortell wrote in an online journal that is linked to his Web site (www.shortell.org). Brooklyn College officials responded yesterday by launching an investigation into the controversial...