Relations between the United States and China have not been this tense in 50 years. Some are calling it a new cold war, centered on tech. The US feels that China has taken advantage of the relationship on many fronts, from intellectual property to trade to cyberspace. China, for its part, says that the US is simply trying to stop its rise. Scott Kennedy presents a candid picture of where the relationship is headed and what that means for American businesses and business people in China.