Many school districts are struggling to find substitute teachers. One reason is surging COVID cases in some areas, prompting administrators to juggle quarantine-sparked sick days and absences. Julia Coronado chats with us about the sharp drop in stock markets, and what China might have to do with it. We discuss natural gas prices. And, the BBC reports on whether or not undersea mining could be the solution to acquiring more hard-to-find metals for electric vehicle batteries.