By Finger Lakes Correspondent Jason Feulner Riesling is the king of the Finger Lakes, and most would agree that the Finger Lakes region consistently produces some of the best riesling in the United States.  Similarly, riesling’s Alsatian cousin gewürztraminer fares well in this region although its hard-to-pronounce name is sometimes a tricky sell with the casual consumer. So, how about rkatsiteli?  Rkatiswhat?  Rkatsiteli (pronounced R-kats-i-teli) is in fact one of the most planted varietals in the world and is grown throughout Eastern Europe. In Western Europe and the United States, however, Rkatsiteli is very rare.  The grape is similar in…