India, Feb. 15 -- We're going to bet you didn't know that. Let's take that last one first. The fictional, monastic Jedi order that drives so much of the action in George Lucas's Star Wars films, he has often said, has drawn deeply from Japanese culture. The emphasis on discipline, loyalty and selflessness can be traced directly to Bushido (Japanese for Way of the Warrior), an unwritten and largely romanticised idea of the samurai code that emerged in modern Japan and spread and was further romanticised in the West. The samurai tradition itself dates back at least 1,000 years. Long before modern popular culture, their story was already being shaped into myth. So what's true; what isn't; what have we most misunderstood? An exhibition at the B...