How do you tell a ruby Port in a blind tasting from a Maury Vin Doux Naturel? Or a 20 year Tawny from a Malmsey or PX? And what quality clues help set apart a vintage Port from any of those? In this class, we'll go over the key theory details about the Douro and how Port is made to show how wine students can use them in blind tasting exams.