Reserve Currency Madness

China, for at least the 2nd time this month, has made it known they think that the U.S. Dollar should be replaced as the world's reserve currency. Why is this madness? Well for one thing they are holding a lot of both U.S. Dollars and U.S. government debt, both of which would plummet in value if the reserve currency status ended. Much more research on my part needs to be completed to get an accurate view on this whole issue but suffice it to say that I don't think anything will come of it, but if it does watch out.