Lily Gladstone had a tough task with her first major Hollywood film: she had to hold her own against Leonardo DiCaprio and Robert De Niro — and hold her own she did. Her character, Mollie Burkhart, is being praised as the star-making turn of Martin Scorcese’s latest film, “Killers of the Flower Moon.” Lily talks to Tom about the role of a lifetime, and the challenges in telling stories about murder and colonialism.