CHICAGO - A public Christmas festival is no place for the Christmas story, the city says. Officials have asked organizers of a downtown Christmas festival, the German Christkindlmarket, to reconsider using a movie studio as a sponsor because it is worried ads for its film "The Nativity Story" might offend non-Christians. New Line Cinema, which said it was dropped, had planned to play a loop of the new film on televisions at the event. The decision had both the studio and a prominent Christian group shaking their heads. "The last time I checked, the first six letters of Christmas still...