RIO DE JANEIRO, BRAZIL - It was born in March, with little vigor, when it was exchanged for 52 cents of the U.S. dollar, but Venezuela's one million bolivar bill spent weeks without being seen in Venezuela, present in thoughts but invisible like a ghost. Now that it is in wide circulation, the relentless devaluation has led it to be exchanged for less than 25 cents, so it is doomed to disappear.
"Look at nothing, not . . .