The Obama administration has finally come up with a plan to deal with the real cause of the credit crunch: the infamous "toxic assets" on bank balance sheets that have scared off investors and borrowers, clogging credit markets around the world. But if Treasury Secretary Timothy Geithner hopes to prevent a repeat of this global economic crisis, his rescue plan must recognize that the real problem is not the bad loans, but the debasement of the paper they are printed on.

Today's global crisis -- a loss on paper of more than...