(Wines&Vines) - Startling revelations from the opening session at this year’s annual meeting of the Washington Association of Wine Grape Growers (WAWGG) cast new light on two issues now facing U.S. wineries and winemakers. Powerful reviewers may have been more influential than climate change in driving up the alcohol content in wines; and as new consumer segments open, the wine market is no longer a monolithic entity.