May 20 - Writers who sign a letter calling for the United Kingdom to remain in the European Union include Hilary Mantel, John le Carré, Philip Pullman and Tom Stoppard [REF].
May 24 - Hundreds of US writers, including Stephen King, Robert Polito and Nicole Krauss, sign an "open letter to the American people", urging them not to support Donald Trump as a presidential candidate [REF].