January 7: Winter storm latest — Al Roker’s forecast. One-on-one with CDC director. What is Wordle?

<p>The very latest on the East Coast winter storm causing major problems for the morning commute — Al Roker has everything you need to know. Plus, Savannah Guthrie goes one-on-one with CDC director Dr. Rochelle Walensky — this, as confusion grows over testing guidelines. Also, the story behind the Wordle craze and why people are obsessed with the online daily word game.</p>