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Hollywood’s biggest stars are taking over the Dolby Theatre in Los Angeles on Sunday night for the 96th Academy Awards. Leading this year’s crop of nominees is director Christopher Nolan’s biopic “Oppenheimer,” which is nominated in 13 categories, including best picture. Also nominated for best picture are “American Fiction” and “The Holdovers,” which were both filmed in Massachusetts, as well as summer blockbuster “Barbie.” “Killers of the Flower Moon,” which brought the story of the Osage Nation to the silver screen, is nominated for best picture as well, with star...