'Olympus' marks end of Gerard Butler's slide, 'Admission' struggles
                                
                                
                                    (Newser) -
                                    DreamWorks' prehistoric comedy The Croods grabbed the weekend win, reports  the AP , with a muscular $44.7 million in its opening weekend. Gerard Butler's terrorist thriller Olympus Has Fallen was close behind, with $30.5 million, notes the  Hollywood Reporter , allowing the actor to save a little face after...