By the time Henry M. Paulson Jr. made his first trip to China as the United States Treasury secretary in September 2006, he was well-acquainted with China. He had already clocked 70 trips during his time at Goldman Sachs, where he was chairman and chief executive. Many more visits came after, allowing Mr. Paulson to promote relations between the United States and China, but also to deepen personal links with China’s leaders. Read more