Beyonce's Impact

This Feb. 12, 2017, file photo shows Beyonce performing at the 59th annual Grammy Awards in Los Angeles. Beyonce debuted her newborn twins Sir Carter and Rumi in an Instagram post on July 13, 2017.

As Beyonce Knowles-Carter approaches her 40th birthday, New Yorker staff writer Doreen St. Felix joins to talk about her lasting cultural influence, and we take listener calls.