After decades of imperfect secularism, presided over by an often corrupt Congress establishment, Nehru's diverse republic has yielded to Hindu nationalism. India is collapsing under the weight of its own contradictions. Since 2014, the ruling BJP has unleashed forces that are irreversibly transforming the country. Indian democracy, honed over decades, is now the chief enabler of Hindu extremism. Bigotry has been ennobled as a healthy form of...