Drunken Pinto Beans

Name: Drunken Pinto Beans
Ingredients: 1 lb dried pinto bean, picked through and soaked overnight; 3 1⁄2 quarts water; 1⁄3 cup olive oil; 2 medium onions, finely chopped; 4 roma tomatoes, cored, seeded, and finely chopped; 4 serrano chilies, stemmed, seeded, and finely chopped (use to taste-or sub jalapenos, anaheims, or 1 to 2 4-oz. cans green chiles); 2 stalks celery, finely chopped; 1 large carrot, finely chopped (optional); 1 bunch cilantro, leaves only, finely chopped; 2 teaspoons coarse salt (I use red salt); 1 (12 ounce) bottle dark beer (you may use nonalcoholic beer if desired)