Heirloom Tomato Salad with Turmeric Yogurt

Name: Heirloom Tomato Salad with Turmeric Yogurt
Ingredients: 2 cloves garlic; 1 bunch fresh chives, coarsely chopped; Leaves from 1 bunch fresh tarragon; 1 tablespoon plain Greek yogurt; 1/4 cup white wine vinegar; 1 teaspoon kosher salt; 1 teaspoon fresh ground black pepper; 1 cup neutral oil; 1 cup plain Greek yogurt; 1 teaspoon ground turmeric; 1 teaspoon cumin seeds, lightly toasted and ground; 1 1/2 teaspoons kosher salt; 4 to 6 medium-sized heirloom tomatoes, cut into large wedges; 1/2 pint cherry tomatoes, halved