Widespread flu activity is plaguing 23 states, and doctors are preparing for conditions to get worse. CBS News chief medical correspondent Dr. Jon LaPook reports. Source

Patients who depend on Obamacare voiced concern after President Trump claimed it was essentially repealed under the new tax bill. CBS News national correspondent Chip Reid has more. Source

Three U.S. cities are suing the Department of Defense, claiming service members disqualified from owning a gun and weren’t reported to the national background check system. CBS News national security correspondent David Martin reports. Source

Erie, Pennsylvania, is expected to get more snow following a record-breaking Christmas storm — and there might be more on the way. CBS News correspondent DeMarco Morgan has the latest. Source

Prices for a 40-year-old cancer drug called lomustine have skyrocketed nearly 1,400 percent since 2013. The Wall Street Journal reports the price hike came after a company called NextSource acquired the drug. Source

“Sunday Morning” film critic David Edelstein discusses the latest flicks at the multiplex this holiday season, including “All the Money in the World” and “The Post” – do any filmmakers get coal in their stockings? Source

‘Tis the season for a little Christmas music, courtesy of Charles Osgood, our anchor emeritus, and the Young People’s Chorus of New York City, who perform “Have Yourself a Merry Little Christmas.” Source

While Alzheimer’s may be stealing the memory of 68-year-old Steve Goodwin, he refuses to let the disease steal his music. The cruelest part of the disease was the toll it was taking on the songs he composed for his wife and could no longer remember – until a family friend and professional pianist took note with a rescue mission. Steve Hartman first reported on Goodwin’s musical reports last August, and has an update about music that’s taken a life of its own. Source

In the world of ballet, Christmas means one thing: “The Nutcracker”! Stages across the country fill with twirling snowflakes, leaping candy canes, and lots and lots of pointe shoes. Faith Salie goes backstage at the New York City Ballet with principal dancer Tiler Peck, and visits Freed of London, a leading ballet shoemaker, to find out what goes into those shoes aside from very talented feet. Source

Martha Teichner reports on how Hollywood actress Donna Reed contributed to the war effort during World War II – sharing letters with American troops and entertaining service members at the fabled Hollywood Canteen – and how her wartime correspondence, treasures lovingly preserved, are being remembered today. Source