By Andy Silvester An English whisky has taken home one of the world’s leading global awards. The English Distillery opened its doors in Norfolk, becoming the first fully operational English operation for more than a century when it kicked into life in 2006. Andlast night its Sherry Cask won the “World’s Best Single Malt” at the World Whisky Awards, beating off strong competition from the rest of the world and indeed north of the border in Scotland. The awards were dished out at a London do on Wednesday evening, hosted by Whisky Magazine, celebrating “the best people, places, and products in th…