The owner of one of France's top Bordeaux wine chateaux hopes U.S. President Donald Trump's threat of 200% tariffs on European wine is just posturing because the impact would be devastating if not.

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.

US President Donald Trump's threat of 200-percent tariffs on wine, champagne and other alcoholic drinks from EU countries is proving hard to swallow in France's champagne region. But while Trump's threat was "very unfortunate",