(Bloomberg) For years, the Harvard College China Forum brought business moguls en masse to the university’s oak-paneled rooms, including Alibaba Group Holding Ltd. founder Jack Ma, Xiaomi Corp.’s Lei Jun, Blackstone Inc.’s Stephen Schwarzman and Bridgewater Associates LP’s Ray Dalio. There at the invitation of students, some of whom also happen to be the children of Chinese billionaires, the moneyed classes of the world’s two largest economies would hobnob every year in a lively exchange of i