>> host: amity shlaes? >> guest: one of the things we have been talking about at the council on foreign relations is what is the next currency going to be? you get the argument will it is going to be a global currency, a dollar plus zero instead of the dollar but we have also talked about the possibility a global currency might come from the private sector because technology makes that possible. you see and ads of the credit-card companies they like to treat themselves as money, gold credit card, the currency credit card. you will see those phrases in ad campaigns of the big names. i think the threat to the dollar will come not just from the chinese currency or from the euro but also from the private sector somehow or other. if you entered qa 20-year-old in india and say which the trust mark yourself phone company or the u.s. dollar, he might hear the cell phone company name. that is interesting and finally that is not necessarily horrible, to have a private money or a free money. it is good to have competi