An artist can only do so much without an understanding of art history. A filmmaker is limited if he or she hasn’t seen the great films of all time. And winemakers, we can assume, are holding themselves back if they’re not familiar with the great wines of the world — particularly the great wines made with the same varieties they’re using. With that in mind, I’m always surprised at how few Finger Lakes winemakers travel to Europe, or to other parts of the world. I’m even more surprised at how many Finger Lakes winemakers reply, when asked what they like…