“If there is a sense of cultural irrelevance hovering around me, that’s fine,” says the screenwriter and novelist behind ‘American Psycho,’ ‘Less Than Zero’ Over the past three decades, novelist Bret Easton Ellis has dealt in ultraviolence, casual nihilism and the skewering of America’s superficialities. With his last book, Imperial Bedrooms approaching its 10-year anniversary, it began to seem that Ellis was spinning his wheels. With several savagely reviewed screenwriting ventures in recent years — the 2013 Lindsay Lohan/James Deen erotic thriller The Canyons didn’t exactly set the world on fire — the Bret Easton Ellis brand might not hold...