AS PORTENDED by the announcement of the premiere of Martin Scorsese’s Killers of the Flower Moon, it was the year of the long movie at the 76th Cannes Film Festival. Indeed, as the full list of titles and running times were confirmed in the lead-up to the festivities, sifting through the selection began to feel like staring down the barrel of a (very long) shotgun: In addition to Scorsese’s 206-minute opus, there would be new features from the typically long-winded likes of Nuri Bilge Ceylan (About Dry Grasses, 197 min) and Wang Bing (Youth [Spring], 212 min), an epic-length essay film by Steve