February 10, 2019 CBS News Sunday Morning : Season 41 Episode 21

This week "Sunday Morning," hosted by Jane Pauley, features Susan Spencer's cover story on loneliness, and how recent studies point to the health effects of being alone. Plus: Tony Dokoupil sits down with Dolly Parton, the Grammys' MusiCares Person of the Year; Lesley Stahl interviews filmmaker Spike Lee, a first-time Best Director Oscar-nominee for "BlacKkKlansman"; Serena Altschul checks out the fluorescent beauty of rubies; Anthony Mason visits the fabled Electric Lady recording studios in New York's Greenwich Village; and David Pogue witnesses a 21st century anachronism: singing telegrams.