With an alcohol content sometimes as high as 80 percent, absinthe was made by mixing the leaves of wormwood with other plants such as angelica root, fennel, coriander, hyssop, marjoram and anise for flavor. The result was a bitter, potent drink that became a major social, medical and political phenomenon during the late nineteenth and early twentieth centuries; its popularity was mainly in France, but also in other parts of Europe and the United States, particularly in New Orleans. Absinthe produced a sense of euphoria and a heightening of the senses, similar to the effect of cocaine and...