Crockpot Balsamic Chicken

2 T olive oil
6 Turkey bacon slices diced
8 ounces mushrooms, sliced
1 green pepper cubed 1″
1 red pepper, cubed 1″
1 bunch green onions
1 lb boned, skinned chicken breasts, 1″ cubed
2 T balsamic vinegar
1/2 t marjoram(I used oregano)
1/2 t salt(I used garlic salt)
1/4 t pepper
1/4 cup FF chicken broth
2 cups tomatoes, canned (I used two 14 oz [...]