This week on The Stack we speak with a great trio of writers and publishers: the award-winning ‘New Yorker’ writer Adam Gopnik; Natalia Viana, co-founder of ‘Agência Pública’, Brazil’s first not-for-profit investigative journalism outlet; and Alessio Ascari, the publisher and creative director of ‘Capsule’, a design title that is a hybrid between a magazine and a book.