The long-run value of all paper currencies is zero. That is a fond saying of Bill Bonner, goldbug and publisher of the Daily Reckoning, a contrarian financial newsletter. So why should the dollar be any different? Mahmoud Ahmadinejad, Iran's president, seems to think the long run is now: two weeks ago he decried the dollar as a "worthless piece of paper". And Jim Rogers, a famously shrewd investor, asks why anyone would buy dollars.
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