Bob Spitz, journalist and author of The Beatles: The Biography; and Jim Henke, vice president of exhibitions and curatorial affairs at the Rock and Roll Hall of Fame, which has an exhibit on John Lennon's New York, discuss the persistent popularity of the Beatles. What's your take on the Beatles? Are you a young fan of the band; or an older non-fan of the band? What about Lennon in NYC - did you know him when he lived here? Comment below!