Place potatoes in a saucepan; cover with water, and bring to a boil. Cook 20 minutes or until very tender. Add beans; cook 2 minutes or until beans are crisp-tender. Drain well.
Drain artichokes in a colander over a bowl, reserving 2 tablespoons marinade; chop artichokes. Add artichokes and olives to potato mixture.
Combine reserved 2 tablespoons marinade, vinegar, and the remaining ingredients. Drizzle dressing over salad, tossing to coat. Cover and chill.
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