Contributor(s): Professor Jason McKenzie Alexander, Professor Charlie Beckett, Hardeep Matharu | In a world of mass information, and misinformation, truth seems both easier and harder to find than ever before. As trust in traditional media erodes and social media blurs the line between fact and fiction, with authoritarian regimes weaponising disinformation and post-truth world leaders taking centre stage, how do we defend and promote knowledge, evidence and informed debate?