Paul McCartney references John Lennon at march
Sir Paul McCartney attended the March for Our Lives in New York on Saturday, telling CNN the cause was important to him because he lost John Lennon to gun violence.
00:39 - Source: CNN
March for Our Lives 15 videos
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Paul McCartney references John Lennon at march
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TOPSHOT - The crowd at the March for Our Lives Rally as seen from the roof of the Newseum in Washington, DC on March 24, 2018. 
Galvanized by a massacre at a Florida high school, hundreds of thousands of Americans are expected to take to the streets in cities across the United States on Saturday in the biggest protest for gun control in a generation. / AFP PHOTO / Alex Edelman        (Photo credit should read ALEX EDELMAN/AFP/Getty Images)
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Marjory Stoneman Douglas High School student Sam Fuentes speaks during the March for Our Lives Rally in Washington, DC on March 24, 2018. 
Galvanized by a massacre at a Florida high school, hundreds of thousands of Americans are expected to take to the streets in cities across the United States on Saturday in the biggest protest for gun control in a generation. / AFP PHOTO / JIM WATSON        (Photo credit should read JIM WATSON/AFP/Getty Images)
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