 Now from the WHIO News Center, here are the three big things you need to know. President Biden addresses the NAACP convention in Las Vegas. Springfield City leaders want federal help in dealing with an immigration surge. And we may have more rain in our forecast, but apparently we need it. Full details on these stories and more, our next scheduled newscast is at 1.30. I'm Will Harris, WHIO Continuing News. What is the WHIO Storm Center? It means...