Pulled Pork Sliders with Spam and Tropical Slaw

Name: Pulled Pork Sliders with Spam and Tropical Slaw
Ingredients: 1/4 cup packed light brown sugar; 2 to 3 tablespoons ground coffee (preferably Kona coffee); 2 tablespoons ancho chile powder; 1 tablespoon molasses; Kosher salt and freshly ground pepper; 1 3-pound boneless pork shoulder (Boston butt), cut into 4 pieces; 2 cups shredded coleslaw mix; 1/2 pineapple, diced (about 2 cups); 1 mango, diced (about 1 cup); 1 bunch scallions (white and light green parts only), chopped; 2 tablespoons rice vinegar; 1 Fresno chile pepper, seeded and thinly sliced; Kosher salt; 1 12-ounce can Spam, cut in half and sliced inch thick; 12 Hawaiian sweet dinner rolls or potato dinner rolls, split