Kiel-Qingdao Sister City Plan Stalled Amid German Wariness of China

City officials in the northern German port of Kiel were flattered this year when the Chinese port of Qingdao — about 40 times its size — proposed partnering up as a sister city. They rushed to embrace the offer. The two cities had a history of cooperation dating to when the Germans helped their Chinese counterparts develop a sailing venue for the 2008 Olympics in Beijing. Both have substantial commercial ports, sprawling boardwalks and public beaches. It seemed a good match. Almost too good, in fact, for security experts, who noted…