Why was a US Yale graduate hounded out of his job promoting Chinese culture?

In just two months, Yale graduate Edward Kuperman went from being praised by Chinese state media to being bombarded with accusations that he was a spy. It began with a June 18 article from state news agency Xinhua, in which he was described as an eager 24-year-old sinophile who made the unconventional choice of spurning China’s eastern metropolises and choosing to live in Dunhuang, in the country’s northwestern Gansu province, an oasis town on the ancient Silk Road. His interest in China…