Venerable import and distribution company Shelton Brothers, of  of Belchertown, Massachusetts, has been invaluable to beer lovers across the United States. They have been visionary in their quest to bring us the finest beers from Belgium since way before Belgian was cool. If you’ve enjoyed a Cantillon, Dieu du Ciel or Mikkeler and you don’t have a passport, you have the Sheltons to thank. Now, Shelton Brothers can claim yet another accolade: stalwart defenders of the New York State Constitution. We New York residents are thankful that, in 2006, upon being refused State Liquor Authority approval to distribute six English…