India, April 12 -- The talks between Iran and the US in Islamabad - the first face-to-face contact between senior officials of the two sides since they severed diplomatic relations 47 years ago - ended without an agreement on ending the war in West Asia, though a fragile ceasefire remains in place for now. US Vice President JD Vance, who led his country's delegation, said Washington had put forward its "final and best offer," but the two sides were unable to reach an agreement, while Iran's Speaker Mohammad Baqer Ghalibaf said the American side failed to gain the trust of his delegation despite "forward-looking" initiatives proposed by Tehran. Comments from leaders of both countries have pointed to persisting differences on several key is...