Artificial intelligence is revolutionizing holiday shopping by helping you narrow down choices or pick out gifts for the people you love. NBC's Brian Cheung reports in this week's Sunday Focus.The University of Iowa football team has a memorable tradition. At the end of the first quarter, thousands of fans stand to wave to the patients at Stead Family Children's Hospital, which overlooks the field. Now, a former patient at the hospital is taking to the gridiron as a member of the team. NBC's Harry Smith reports in this week's Sunday Spotlight.Lyn McLain, the founder of the D.C. Youth Orchestra program, has died at 95. McLain is remembered for sharing his love of music with generations of young Americans. NBC's Hallie Jackson for Sunday TODAY remembers a life well lived.Sunday TODAY's Hallie Jackson runs through the highs and lows of the week, including a second grade class' take on a Thanksgiving parade, a daughter's holiday chore chart and more!