The US-India defence relationship needs an engine to drive it, say leaders on both sides. But there are different perceptions on what that engine might be. Americans believe the engine should be the "Defence Trade and Technology Initiative" (DTTI), a high-level committee of officials from both sides that moots projects for working together, and removes bureaucratic roadblocks. In January, when President Barack Obama met Prime Minister Narendra Modi in New Delhi, they "emphasised the ongoing importance of the (DTTI) in developing new areas of technology cooperation", according to a joint statement issued at that time. Indian officials are focused on...