Pulled Pork Sandwiches

Name: Pulled Pork Sandwiches
Ingredients: 4 to 6 cups chicken stock or water; 1 (3 pound) boneless pork butt; Salt and freshly ground black pepper; BBQ Sauce, recipe follows; 8 to 12 soft buns with sesame seeds; Pickled Jalapenos, recipe follows; 1 tablespoon canola oil; 1 small Spanish onion, finely diced; 1 jalapeno, finely diced; 2 tomatoes, coarsely chopped; 1 (15-ounce) can diced tomatoes; 2 cups cider vinegar; 1/4 cup honey; 1/2 cup light brown sugar; 1 tablespoon Worcestershire sauce; Salt; 3 cups rice wine vinegar; 3 tablespoons sugar; 1 teaspoon white peppercorns; 1 teaspoon coriander seeds; 1 teaspoon mustard seeds; 1/2 teaspoon cumin seeds; 2 tablespoons kosher salt; 3 jalapenos, sliced in half lengthwise; 7 sprigs fresh cilantro