To a region flush with the success of alcohol, Prohibition was a sobering thought. Against the backdrop of national events, author Lin Weber introduces a cast of Napa Valley's leading citizens, embroiled in a fight for their livelihood with temperance champions and federal agents. Theodore Bell filed a Hail Mary suit to stop California's ratification of the Eighteenth Amendment. Vintner Georges de Latour made money hand over fist on altar wine. The...