(Wines&Vines) - Is the next hot winegrape variety waiting to be discovered in a remote vineyard in Greece, or could the future lie in moving away from varietal wines all together? Those were some of the key questions explored during a panel discussion that came at the end of Tuesday’s Alternative Varieties Symposium, the first major event of this year’s national conference of the American Society for Enology and Viticulture (ASEV). The conference continues in downtown Portland through Friday,