The leftist party exploded out of Spain’s anti-austerity protests in 2011 and upended Spain’s entrenched two-party system. I was instantly captivated – and for the next decade, I worked for the party. But I ended up quitting politics in disappointment. What happened? By Lilith Verstrynge. Read by Norah Lopez Holden. Help support our independent journalism at theguardian.com/longreadpod