Three Big Things - 8/4

1. Artificial Intelligence leaders will be at the White House today to discuss a framework for managing security risks for AI models. 2. Officials in Washington state announce the arrest of a suspect who they say is responsible for starting the Old Trails Fire, the largest of the three fires currently ravaging Spokane, Washington. 3. Today, investors will hear from Elon Musk himself during SpaceX's first earnings call as a public company.