Hosted by Jane Pauley. In our cover story, Mo Rocca looks at the power of acts of kindness. Plus: Seth Doane interviews Sir Paul McCartney about his latest solo album, "McCartney III"; Nancy Giles looks at the success of the e-commerce site Etsy.com; David Pogue finds out how the seniors choral group Young@Heart is managing during the pandemic; Serena Altschul explores the history of Fisher-Price toys; chef Bobby Flay has some Christmas meal suggestions; Jim Gaffigan finds we are still waiting for a lot this year; and "Sunday Morning" is treated to performances of holiday music by the Young People's Chorus of New York City, accompanied by José Feliciano.