Pork Burritos

1 tablespoon oil
3 pounds pork, in 1-in. cubes
1 large onion, chopped
1 red bell pepper, diced
1 green bell pepper, diced
2 cloves garlic, minced
1 fresh (or 3 canned) jalapeno pepper, minced
1/2 teaspoon oregano

1/2 teaspoon cumin
1 tablespoon cider vinegar
1 1/2 teaspoons salt
2 4-ounce cans chopped green chilies

Brown pork in oil. Add rest of ingredients EXCEPT GREEN CHILIES and cook for 1 to 1 1/2 hours. Add green chilies before serving.