...a big jump in the U.S. dollar's exchange rate against the Zimbabwe dollar. "People are asking for a million and getting it in big bank-to-bank transfers," one dealer said. "Cash for cash is anything above 750,000 to one." Just a few days ago, in the first week of October, 520,000 Zimbabwe dollars were needed to buy $1 on the black market. The rate was 400,000 for one in mid-September. "There's too little foreign exchange out there and too many chasing it," said the dealer...