Even outside India, it can be difficult to escape the cult of Mohandas Gandhi, the lawyer, thinker, and politician who helped liberate the nation from British colonial rule in 1947. The praise ranges from the anodyne (Gandhi is a “hero not just to India but to the world,” per Barack Obama) to the ironic (“really phenomenal,” according to Burmese political prisoner turned genocide defender Aung San Suu Kyi) to the...