Last weekend, I attended the Drink Local Wine 2013 conference in Baltimore, MD to explore Maryland wine — something that I knew next-to-nothing about going into the conference. I’m still not sure that I have a firm grasp on what “Maryland wine” is or could be, but we tasted upwards of 100 Maryland-grown wines, listened to  professionals in and around the Maryland wine industry talk about the region’s history, present and future, and welcomed more than 300 locals to a public grand tasting featuring more than 20 wineries. The event was a lot of fun — but more than that, it was informative and clearly…