In 2019, the Negroni turned 100 years old, and it's more popular than ever. The drink's classic proportions are equal parts Campari, gin, and sweet vermouth, making it an easy cocktail to order and to make on your own. The Negroni will give readers insight into the drink's origins in Italy (it started as a twist on the Americano), and the tools to make over 20 simple variations from drink experts and bartenders around the world. Here's the...