Catalonia is holding an independence referendum on October 1st. The referendum is not sanctioned by the Spanish government. Many are inclined to support the Catalan cause, particularly on the left. After all, the left tends to sympathize with minority and regional groups that seem culturally marginalized, and the Spanish government–led by the austerity-promoting Mariano Rajoy–feels icky. When Catalans portray themselves as plucky upstarts taking on a corrupt and indifferent Madrid bureaucracy, it’s easy to see the appeal. But this isn’t really about Catalonia versus Madrid–it’s about Catalonia versus Andalusia.