Around 5 million people have signed a petition seeking clemency for Rogel Aguilera-Mederos, who was sentenced for a crash that killed four. A judge set a Jan. 13 hearing to reconsider the sentence.

People who test positive need to isolate themselves for 5 days if they don't show symptoms. The change reflects "what we know about the spread of the virus" and vaccine protection, the CDC chief says.

Roads remains closed in many areas of the Sierra, as dozens of flights have been canceled. It's been the snowiest month in the Sierra in more than 50 years.

In every state, governments charge parents for the cost of foster care when children are taken away. When that happens, NPR found, poor parents can't make ends meet, so families are kept apart longer.