On Start the Week Amol Rajan seeks the truth in a post-truth world. The political columnist Matthew D'Ancona paints a dystopian picture in which trust has evaporated, conspiracy theories thrive, and feelings trump fact. He argues that the very foundations of democracy are under threat. Claire Wardle is hoping her organisation First Draft will equip users to verify the sources of stories and tackle misinformation online. But what happens when the peddlers of misinformation are state-sponsored? The Chinese writer Lijia Zhang spent a decade working in a rocket factory and her memoir, Socialism is Great!, reflects the great social transformation in China since the 1980s, and the shifts in trust and truth which mirrored such changes. The writer China Miéville, who is best known for his stories of urban surrealism, turns his attention to the story of the Russian Revolution. Producer: Kirsty McQuire.