Bring 2/3 cup water to a boil in a small saucepan; stir in rice. Cover, reduce heat, and simmer 35 to 40 minutes or until water is absorbed and rice is tender. Cool.
Combine rice, black beans, green chiles, and next 5 ingredients in a large bowl; gently toss. Cover and chill, if desired.
Line each pita half with lettuce. Spoon rice mixture evenly into each half. Top with plain yogurt and additional Fresh Salsa.