2 1/2 pounds red potatoes
2 tablespoons red wine vinegar
1 tablespoon olive or vegetable oil
1 tablespoon Dijon mustard
1/2 teaspoon dried basil
1/2 teaspoon pepper
1/4 teaspoon salt
1/2 cup plain yogurt
1/4 cup sour cream
1 teaspoon garlic salt
3/4 cup chopped red onion
1/2 cup diced celery
4 bacon strips, cooked and crumbled
2 hard-cooked eggs, chopped