There are people who know they like tequila and people who prefer gin, whiskey, or vodka. There are those who know they like their liquor straight up, and others who want their drinks cubed or mixed with sodas, syrups, and shrubs. And then there are those patrons who don’t know what they like. Or, maybe, they like everything. For these guests, London’s Bloomsbury Club calls on the "Cocktail Diviner.” But who is the Cocktail Diviner, and how will he or she determine one’s drink du jour? With a touch of the finger and an open mind…