The celebrated deal that would have ensured that blind dissident Chen Guangcheng would stay in China began to dissolve publicly with a tweet: “GUANGCHENG TALKED TO ME. WHAT MEDIA REPORTED IS WRONG.” The unsettling Twitter message from Beijing activist Zeng Jinyan began a firestorm of debate over whether Chen had been coerced into the deal with threats to his family, an alarming idea that gutted the most important promise behind the agreement -- that Chen would be kept safe.