Consider the tragedy of a child killed by neglect and abuse. Now consider the tragedy of a child taken from parents who would not have criminally abused her. Which is worse? Computer algorithms might soon help humans make such difficult decisions — but only if we recognize the myriad ways in which they can go wrong. In countless cities ...

  It’s hard to remember India being anything other than a nuisance for Vodafone Group Plc. The group has taken writedowns of 6.6 billion pounds ($8.3 billion) on the asset since buying it in 2007, and got itself tangled up in a long tax fight with the Indian government. Lately it’s been gored by Mukesh Ambani’s Reliance Industries Ltd., whose ...

  Bloomberg President Donald Trump’s clash with Silicon Valley over immigration is about to become even more contentious. After the new president banned refugees and travelers from seven predominantly Muslim countries, Google, Facebook, Salesforce, Microsoft and others railed against the move, saying it violated the country’s principles and risked disrupting its engine of innovation. Trump’s next steps could strike even ...