December 22: Fight against the Omicron variant. Holiday travel rush. New DNA technology could help solve the JonBenét Ramsey case.

<p>The latest in the fight against the Omicron variant — Craig Melvin goes one-on-one with CDC director Dr. Rochelle Walensky. Plus with just three days to go until Christmas, holiday travel is in full swing and two aviation giants are warning about new 5G cell phone technology that could interfere with cockpit technology. Also, an inside look at the new DNA technology that could help solve the JonBenét Ramsey case 25 years later.</p>