In a heavy bottom soup pot, add in the olive oil. Heat at medium-high until the oil starts to shimmer. Add in the carrots, celery and onion. Add in a pinch of salt. Stir and sweat the mirepoix for 6 minutes.Add in the zucchini and continue to cook for another 4-5 minutes. Add in the strained tomatoes, pulled pork and chicken stock. Increase the heat to high.Bring the soup to a boil for 1 minute, then reduce the heat to low. Simmer for 15 minutes.Turn off the heat. Add in the kale and stir to submerge. Add in the salt and pepper.Taste. Adjust seasonings and taste again.Enjoy hot and happy eating!