It showed young girl leaning on grille of high-performance car
                                
                                
                                    (Newser) -
                                    Audi has apologized for a  T witter ad that has been denounced as unsafe, weird, and possibly suggestive. The ad for the high-performance RS4, which, for now, can still be seen  here , features a young girl leaning on the front of the vehicle and eating a banana,  BBC  reports. Critics...