A look at China's evolving spy network and its alleged targeting of US technology through honey traps and cyber espionage. In the world of espionage, the most dangerous spy is not always the one breaking into secret facilities or stealing classified files. Sometimes, it is the person who gets close enough to make powerful people let their guard down.If 'Dhurandhar' brought the world of undercover agents and intelligence games back into popular conversation, the allegations surrounding former Nvidia chief Jensen Huang could easily pass for a plot from a spy thriller. An extramarital affair, a Singapore-based chip company and suspected…