Baked Beans with Black Duck Breasts and Linguiça Sausages

Name: Baked Beans with Black Duck Breasts and Linguiça Sausages
Cuisine: American
Ingredients: 2 pounds dried navy, cranberry, or Yellow Eye (favored in Maine) beans; 2 pounds dried navy, cranberry, or Yellow Eye (favored in Maine) beans; 2 pounds dried navy, cranberry, or Yellow Eye (favored in Maine) beans; 2 pounds dried navy, cranberry, or Yellow Eye (favored in Maine) beans; 1 pound salt pork with skin attached (see Note); 2 tablespoons dry mustard; 1 teaspoon cider vinegar; ¼ cup dark rum; ½ cup molasses; 1 medium-large onion, studded with 12 cloves; 3 linguiça sausages; ¾ pound lean pork fat, cut into ¼-inch cubes; 6 boneless, skinless Black Duck breasts (also called Canadian Redleg), or substitute Mallard or Muscovy duck breasts; 6 boneless, skinless Black Duck breasts (also called Canadian Redleg), or substitute Mallard or Muscovy duck breasts; 6 boneless, skinless Black Duck breasts (also called Canadian Redleg), or substitute Mallard or Muscovy duck breasts; 6 boneless, skinless Black Duck breasts (also called Canadian Redleg), or substitute Mallard or Muscovy duck breasts; 6 boneless, skinless Black Duck breasts (also called Canadian Redleg), or substitute Mallard or Muscovy duck breasts; Salt and freshly milled pepper; Salt and freshly milled pepper; ½ pound unsalted butter, clarified; Small bunch fresh sage