Bradford, England, 2015-8-3— /EPR Retail News/ — Morrisons has been crowned 2015 Supermarket of the Year at the International Wine Challenge Awards (IWC), beating off stiff competition from Waitrose and M&S (winners in 2013 and 2014). The IWC merchant awards are considered the ‘Oscars’ of wine retail and are amongst the most prestigious in the wine world. The IWC…