Disagreement has made disagreeable individuals of us all. News channels are littered with platitudes masquerading as thoughtful discussions. Individuals, convinced that the volume of their speech corresponds to the correctness of their arguments, contribute to the cacophony of tirades. The print media publish headlines assassinating opponents’ characters rather than their ideas. Swipes and scrolls lead us to trivial online quarrels which bleed into our personal conversations. Research from the Pew Research Centre suggests that 91 percent of Republicans and 86 percent of Democrats hold unfavourable views of the other. It would be unfair but tempting to lay the blame at the feet of politicians, public intellectuals, and journalists. But we, the people, are also complicit in this potentially slippery slope. Gathering by the campfire in our ideological tribes, we bask in the warm glow of unchallenged beliefs. We caricature arguments that do not fit neatly into our canonical jigsaw. Foregoing uncomfortable rumination in favour of rhetoric, we have helped to create and perpetuate a climate in which dissent is tolerated only for as long as it …