If you think the the United States inflation is out of control than you may want to stand by and take a look at this.Zimbabwe's troubled central bank introduced $100 billion banknotes Saturday in a desperate bid to ease the recurrent cash shortages plaguing the inflation-ravaged economy.As high as they are, though, the bills still aren't enough to buy a loaf of bread. They can buy only four oranges.The new note is equal to just one U.S. dollar.Once-prosperous Zimbabwe has seen an...