Sarah Soule is one of Stanford University's must esteemed scholars. Her work on protest movements that do and don't sway decisions has attracted attention the world over.

Sarah now leads much of Stanford's work on online learning. But for years she resisted the move to online education, thinking nothing could replace face-to-face interaction. In our latest podcast she acknowledges what scared her, and why and how she changed her mind.

As we dig deeper into the effects of keeping your mind open in one area, and how that affects behaviours in others, Sarah explains why changing her mind on online learning helped her learn to value Eminem's music too.

Read more on Sarah's research in 'How protests that swing elections'. You might also want to look at 'Firefighters can teach us how to make good decisions under pressure' on Quartz, and we also recommend a more academic article about the way that radicals have historically helped moderates move the needle in politics: 'Radical flank effects'.

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