DFS Group launches its first-ever global Whiskey Festival   MACAU, 2017-Jun-03 — /EPR Retail News/ — DFS Group, the world’s leading luxury travel retailer, is bringing the whiskies of the world to travelers this summer with its first-ever global Whiskey Festival. Following its kick-off at DFS, Singapore Changi Airport on May 27, the Whiskey Festival will travel…