by Deborah COLE CANNES , France (AFP) — “Twilight” star Kristen Stewart, whose supernatural new movie “Personal Shopper” drew boos at Cannes, defended the picture Tuesday as a “terrifying” look at an identity crisis. French director Olivier Assayas’ high-concept thriller stars Stewart in a movie that is an audacious mix of ghost story, murder mystery and existential drama. Critics at a preview late Monday booed the picture — a venerable tradition at Cannes for the […]