Mudslides, evacuations and rescues after severe storm slams California; Single winning ticket in $1.8 billion Powerball jackpot; Christmas celebrated around the world; and more on tonight’s broadcast. 00:06 California flooding 02:40 Winter storm warning 03:38 U.S. strikes in Nigeria 04:59 Christmas 06:44 Powerball winner 08:50 Filling Big Shoes 10:34 Slain soldiers returned home 11:10 End of year credits For more context and news coverage of the most important stories of our day, click here: nbcnews.com » Subscribe to NBC News: nbcnews.to/SubscribeToNBC » Subscribe to Here's the Scoop podcast: nbcnews.com/heres-the-scoop-daily-podcast Every day, NBC News helps people understand what’s happening and why it matters — through fact-based reporting, meaningful conversations, and powerful stories. From its leading news broadcasts — TODAY, NBC Nightly News, Meet the Press, and Dateline — to NBC News NOW, the 24/7 streaming news channel, plus chart-topping ...