A sommelier is a trained and knowledgeable wine professional, and they often help individuals order wine to complement their meal in a fine dining establishment. Master Sommeliers face a rigorous testing process, often referred to as the world's toughest test, in order to earn their diploma from The Court of Master Sommeliers. Cady Chesney sits down with Master Sommelier, Christopher Bates, to learn how to become a sommelier.