ROME (AP) - Italian authorities indicted four people Monday in the killing of Italian financier Roberto Calvi, a banker with close ties to the Vatican who was found hanging under a bridge in London in 1982, reports said. Businessman Flavio Carboni, his ex-girlfriend Manuela Kleinzig and two men with alleged ties to the Mafia, Pippo Calo and Ernesto Diotallevi, will stand trial in October for Calvi's killing, the Italian news agencies ANSA and Apcom said. Calvi was dubbed "God's banker" because of his ties with the Vatican's bank and its former top official, the American Archbishop Paul C. Marcinkus. He...