 Iowa Attorney General Brenna Byrd was elected a temporary chair of the convention, meaning she'll preside over nominating Trump's running mate, Ohio Senator J.D. Vance, who was announced today. The executive director of the Iowa Regents Lakeside Lab says they're seeing an increase in toxic blue-green algae in the Great Lakes. Mary Skopek says after years of drought, the lakes are filled with high levels of nitrogen, phosphorus, and contaminated sediment that's caused the algae to grow.