Garrison Lovely joined McKinsey & Company hoping to change the world for the better. But he quickly learned that "not only does McKinsey fail to make the world better—it often colludes with those who make the world worse.” Breaking perhaps McKinsey’s strongest taboo—their code of silence—his latest cover story for The Nation offers us a rare look behind the curtain of the soul-crushing, morally bankrupt, top-secret culture of one of the world’s most powerful management consulting firms: