Booster Battle, Elizabeth Holmes’ Trial, Incoming Asteroid

CNBC’s Meg Tirrell reports on the booster back-and-forth for Covid among top U.S. health officials. NBC’s Jay Gray updates on search for Brian Laundrie, the boyfriend of Gabby Petito. CNBC’s Kate Rooney updates on why the trading platform Robinhood is back in hot water. CNBC’s Scott Cohn reports on week three of Elizabeth Holmes’ criminal trial. CNBC’s Ylan Mui profiles a small town in Ohio that was built by the railroad companies in the 1800s, and the hopes of its current mayor that the return of passenger rail service can help it tap into the economic boom of its larger neighbors. Plus, Professor Dante Lauretta discusses what can be learned from asteroid samples.