By Jen Ross
Since the launch of the first modern continental currency last month, Euro-phoria has the world considering monetary marriage.
From pole to pole, economists are singing the praises of common curr-ency. Canadian leaders have suggested monetary union with the U.S.; some Mexicans have indicated their eagerness to join their North American trade partners; and Argentina is pondering scrapping its own bills for the American dollar, which it has pegged one-to-one against its peso since 1991.