Nicoise Potato Salad

Ingredients

• 8 small red potatoes, uniform in size (about 1 lb)
• 1 6-ounce can white tuna in water, drained
• 12 steamed asparagus spears
• 8 radishes
• 1/2 cup pitted kalamata olives
• 2 tablespoons minced red onion
• 3 tablespoons red wine vinegar
• 2 tablespoons chopped fresh parsley
• 4 teaspoons olive oil
• Salt and pepper