December 27: Thousands of flights canceled during peak holiday stretch. Omicron variant cases soar during holiday weekend. Remembering Desmond Tutu.

<p>Thousands of flights have been delayed or canceled after Christmas — what you need to know if you’re trying to get home. Plus, Brown University’s Dr. Ashish Jha on the growing concern about the Omicron variant as cases soar during the holiday weekend. And, remembering anti-apartheid leader Desmond Tutu who died Sunday at the age of 90.</p>