Veteran music writer and editor Alan Light’s latest book, “Don’t Stop: Why We (Still) Love Fleetwood Mac ‘s ‘Rumours,'” is out today on Atria Books. Since its release in 1977, Fleetwood Mac’s “Rumours” has carved out a remarkable place in the pop music pantheon. Created in a cauldron of intraband romantic turmoil as multiple relationships in the band crashed and burned, and fueled by voracious drug intake, the album was an immediate, spectacular success. Certified 21 times platinum, it’s the