Here, our wine columnist shares her top picks for U.S. sparkling wines produced in the traditional Champagne style.

Industry representatives warned that a 200 percent tax on European wines and spirits would halt shipments to the United States and wipe €4 billion off France’s trade balance.

President Donald Trump on Thursday threatened a 200% tariff on European wine, Champagne and spirits if the European Union goes forward with a planned 50% tariff on American whiskey. Wine sellers and importers said a tariff of that size would essentially shut down the European wine business in the U.S.