Are US allegations that Huawei is helping Beijing hack US data networks motivated by genuine suspicions or by trade protectionism? Joe Miller reports from the US where some Americans feel frustrated that their government is restricting them from using the Chinese tech firm's cheap and reliable products. Meanwhile Ed Butler asks Wired journalist Scott Thurm whether the Trump administration's clampdown is just part of the broader trade standoff between the world's two biggest economies. Plus, Chinese billionaire and artificial intelligence expert Kai-Fu Lee explains why he thinks ultimately China may win the tech arms race with the US over everything from mobile payments to autonomous vehicles. (Picture: Programmer facing computer screen; Credit: xijian/Getty Images)