Chinese leader Xi Jinping wants the country's richest to share more of their wealth. In response, China's biggest companies and wealthiest individuals have been lining up to make charitable donations in recent weeks, with “common prosperity” now an unambiguous political priority.  Of course, “common prosperity” isn’t a new concept for the Chinese Communist Party. But amid rising wealth inequality and Xi’s crackdown on private enterprise in China, the idea has taken on a newfo