New Delhi, Dec. 27 -- Six months after the Air India Flight 171 disaster that killed 260 people, Indian and American investigators remain at odds over key findings and how the final report should characterise the June 12 crash, according to a report by Italian publication Corriere della Sera that offered new details of discussions between the two sides. The dispute centres on the sequence of events in the cockpit during the critical seconds after takeoff from Ahmedabad, with Western experts concluding captain Sumeet Sabharwal moved the aircraft's fuel control switches from "run" to "cutoff" position, cutting power to both engines, the newspaper reported on Thursday, citing five Western and local sources with knowledge of the investigation....