What would Catalonia's independence referendum solve?

Can Spain's divisions be settled? "It's best for Catalonia and for Spain and it's in accord with the Spanish Constitution. The government will work for understanding and not for confrontation." This is what Spanish PM Pedro Sánchez said when he announced a pardon for nine Catalan leaders serving prison sentences for their roles in Catalonia's 2017 independence referendum. But what does this move mean for Catalan and Spanish politics? I talked to Alejandro Quiroga, a research professor at the Universidad Complutense de Madrid. Listen to our conversation.