Emily James, who was fired from her job at a call center for U.S. Bank after giving 20 dollars of her own money to a customer on Christmas Eve, with Harley Quinn, an emotional support dog, in Portland, Ore., on Jan. 29, 2020. "U.S. Bank shows what it means when it says its employees should 'do the right thing,'" writes Nicholas Kristof. (Alisha Jucevic/The New York Times)