By Adrienne Adams It's the eve of Halloween in Chicago.  At a costume skating party on the city's south side, children are dressed in their Halloween garb.  Little girls are pop stars in tutus and blue wigs and devils with little red horns.  Boys are dressed as their favorite superheroes with pseudo-muscles bulging through their shirts.  Surprisingly, the school hosting the event prides themselves on their Christian values and beliefs. As evidenced ...