Chinese Premier Zhu Rongji recently cracked a joke about the Sept. 11 terrorist attack on the World Trade Center. Zhu told the joke to a captive audience of Asian executives during the April Bao business conference held on Hainan Island. Zhu's remarks came during a question-and-answer session with Japanese Prime Minister Junichiro Koizumi. According to Zhu, "Japan bought many huge buildings in New York, but luckily they didn't buy the World Trade Center. If they had bought them, now the Japanese would be sadder than the Americans." Zhu's joke was quickly followed by a long round of laughter and applause...