Dr. Kate Biberdorf on holiday science experiments; last minute gifts; director Greta Gerwig ("Little Women"); Philadelphia Boys Choir performs; Ghost Businesses; musical artist Frank Ray; actor Jeff Garlin ("The Goldbergs", "Curb Your Enthusiasm" and "Toy Story 4"); medical mysteries; singer/songwriter Dolly Parton ("Dolly Parton's Heartstrings" and "Christmas at Dollywood"); actresses Taylor Swift, Jennifer Hudson, Rebel Wilson, and Francesca Hayward ("Cats"); changing face of the American family;
—anonymous