By Peter Wong via Caixin | It is unlikely that the RMB or yuan, China’s “people’s currency,” will replace the dollar outright as the world’s only investment and reserve currency any time in the foreseeable future. But there is every indication that the dollar will have to make room for a second global reserve currency within the next 15 years. A revolution allowing investors to diversify risk – and creating a system with more choice and better ability to resist shocks – should be welcomed.