12 PM ET: AZ GOP primary, OPEC’s oil pledge, Lake Mead’s missing bodies & more

We have projections in two key GOP primaries in Arizona – two of the former President’s preferred candidates came out on top. US gas prices have fallen for 50 days straight with oil-rich countries pledging to pump more oil in September. House Speaker Nancy Pelosi’s trip to Taiwan comes to an end. Lake Mead’s water levels are so low, three bodies have been found since May – we’ll tell you where the investigations stand. Plus, NASA says an underwater volcano eruption could cause the Earth’s surface to warm.To learn more about how CNN protects listener privacy, visit cnn.com/privacy