100453108-149272570.530x298A Kremlin aide was quoted on Tuesday as saying that if the United States were to impose sanctions on Russia over Ukraine, Moscow might be forced to drop the dollar as a reserve currency and refuse to pay off any loans to US banks. Mr Sergei Glazyev, who is often used by the authorities to stake out a hardline stance but does not make policy, was cited by RIA news agency as saying Moscow could recommend that all holders of US treasuries sell them if Washington freezes the US accounts of Russian businesses and individuals. MORE