When a Bangladesh air force jet slammed into a school on July 21, killing 31 people, India was the first country to respond – dispatching a team of specialist doctors, nurses and emergency medical equipment.Their swift arrival earned public praise from the head of Bangladesh’s interim government, Muhammad Yunus, and sparked cautious optimism that a thaw may be possible after months of strained ties between the neighbours.“These teams have come not just with their skills, but with their...