Donald Trump’s threat to impose a 200% tariff on wine and champagne imports from the European Union could provide an unexpected boost for English sparkling wine, as US importers look for alternatives to French champagne. Hugo Stewart, a winemaker based in Wiltshire, had been considering cancelling a planned tasting trip to the United States but is now reconsidering after Trump’s announcement. “Maybe there’s an opportunity for us to replace some of the champagne,” he said....