The United States has charged a former Indian intelligence officer who allegedly directed a foiled plot to murder a Sikh separatist in New York City last year, with the FBI saying it would not tolerate retaliation against a U.S. resident. An indictment of Vikash Yadav was ordered to be unsealed on Thursday. The U.S. Justice Department indictment mentioned Yadav as a former officer in India's Research and Analysis Wing spy service. It was filed in the U.S. District Court for the Southern...