Green Chile-Pork Stew

Name: Green Chile-Pork Stew
Cuisine: Mexican
Ingredients: 3 tbsp. olive oil; 3 lb. boneless pork shoulder or butt; 1 large White Onion; 6 large garlic cloves; 1 can chicken broth; 1 bottle dark Mexican beer; 3 fresh corn tortillas; 1 tbsp. ground cumin; 1 tbsp. dried Mexican oregano; 1 cinnamon stick; 1 1/2 lb. fresh tomatillos; 6 fresh poblano chiles; 2 orange bell pepper; 1 bag frozen corn kernels; 1/2 c. chopped cilantro; 2 tsp. Salt; 2 tsp. grated orange zest