In the HBO series 'I May Destroy You,' Michaela Coel plays Arabella, a writer in London who goes to a bar and is drugged and sexually assaulted. She then has to piece together what happened to her. The series, which Coel wrote, directed and stars in, explores issues of sexuality and consent. She talks about how she drew on personal experience. John Powers reviews Zadie Smith's new collection of essays, 'Intimations,' written during the pandemic and completed after George Floyd's murder.