How many calories are in a glass of wine? And how many glasses are in a typical bottle? Soon, drinkers may be able to find the answers to these questions by looking at the back of certain wine bottles, thanks to a new federal rule allowing alcoholic beverages to feature a "Serving Facts" label akin to the nutrition facts labels on food products. While the labels are voluntary, a push to make them mandatory may be in the works—a development that has small wineries worried. Wine Spectator's Ben O'Donnell reports.
For the full article, check out the new issue of Wine Spectator, on newsstands July 23, 2013.
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