Watergate Salad

1 4 oz. pkg. Pistachio Flavor Instant Pudding
1 (20 oz.) can crushed pineapple in juice, undrained
2 small cans mandarin oranges, drained
Small jar maraschino cherries, drained (optional), save some for garnish
1 cup miniature marshmallows
½ cup chopped pecans or pistachios, save some for garnish
1 ½ cups Cool Whip
1 cup sour cream

Mix pudding mix, sour cream, cherries, pineapple, oranges, marshmallows and pecans in a large bowl until well blended. Gently fold in whipped topping; cover and refrigerate at least one hour or until ready to serve.  Garnish with cherries and chopped nuts.