Ten things you need to know about Mohamedou Ould Slahi

1. He’s just published Guantánamo Diary (Little, Brown and Company, 2015), the only written account by a current detainee. John Le Carré calls it “a vision of hell, beyond Orwell, beyond Kafka: perpetual torture prescribed by the mad doctors in Washington.” 2. Slahi is a Mauritanian, born in 1970, who went to Afghanistan in 1990 to fight…