On December 15, Led by Ms. Rebecca Kleefisch, Lieutenant Governor of Wisconsin, the delegation of US State Governors visited SIIS and exchanged ideas on Sino-US relations with Prof. Zhao Gancheng, Director of the Center for Asia-Pacific Studies, Dr. Zhang Zhexin, Assistant Director of the Institute for Taiwan, Hong Kong & Macao Studies, and Mr. Zha Xiaogang, research fellow of the Institute for World Economy Studies.