“When I was writing Nuclear War, many of my subject matter experts said to me, ‘You must do bio next.’ “It’s my great privilege to have spent 20 years interviewing Americans who participated in all wars since World War Two,” she says. A US State Department report speaks specifically of Russia and North Korea having active biological weapons programmes. “Specifically, the State Department believes that Russia didn’t dismantle its Cold War biological weapons programme, but rather absorbed it into a programme that exists today.” “I had my most recent conversation with Denis Villeneuve last month, and he intends to direct Nuclear War: A Scenario after the new James Bond movie.”