In February 1987, Mikhail and Raisa Gorbachev personally received Yoko Ono in Moscow. In a surprising revelation, Raisa declared that she and her husband were fans of John Lennon. While Raisa sang lyrics from a Lennon song, the Soviet leader observed solemnly, "John should have been here." It was a stunning declaration. After three decades of virulent anti-rock rhetoric, a Soviet leader had allied himself with the forces of rock & roll. In the era...