Photo: Vulture; Photos: Okasha, A24, TPS Productions/Focus Features This year’s Cannes Film Festival has everything: A new Lynne Ramsay starring a driven-insane Jennifer Lawrence, Kristen Stewart’s directorial debut, Ari Aster’s certain-to-be-batshit take on the year 2020, Paul Mescal and Josh O’Connor as WWI-era lovers, a Kelly Reichardt heist film, and the latest films from Spike Lee, Wes Anderson, Julia Ducournau, and Jafar Panahi. At one point, Tom Cruise will probably parachute directly