Auld Lang What?

It’s a song we often hear at the start of the new year. But what does “auld lang syne” even mean? And how did it come to be associated with New Year's Eve? With a little musical sleuthing, we find Charlie Chaplin might have something to do with it… Guests: James Deutsch, curator of folklife and popular culture at the Smithsonian Center for Folklife and Cultural Heritage