Flavoured, low-alcohol Scotch? Distilleries test whisky’s limits

Demand for more variety in Scotch whisky from fast-growing emerging markets and the request for lower alcohol varieties among health-conscious drinkers are challenging a closely guarded centuries-old tradition. Drinks giant Diageo, producers of market leader Johnnie Walker, sent shock waves through the industry earlier this year when a “highly confidential” document, leaked to the Wall Street…