Exclusionary rule: India’s citizenship law

The Hindu nationalist government’s latest move pointedly excludes Muslims from immigration reform. Protesters reckon that is an attack on the country’s cherished secularism. Tuberculosis is still among the world’s biggest killers; we look at emerging new tools to fight an old disease. And a deep dive on the sex lives of eels. For full access to print, digital and audio editions of The Economist, subscribe here www.economist.com/radiooffer