Today, in his absurdly good weekly newsletter "Vintage Experiences" (subscription only), Dan Berger has some very interesting thoughts on Napa Valley and the idea of "Wine Country." In short, Dan suggests that Napa Valley, with its informally high prices for wine and the "wine country" lifestyle, is becoming less and less and true wine country where consumers and visitors can count on an authentic, and affordable, experience. But deeper into his article he makes the most important point: Napa Valley’s…