ZIMBABWE'S annual inflation jumped to a record 2,200 percent in March, central bank Governor Gideon Gono said on Thursday as the country's economic and political crisis deepened. He dismissed calls to devalue the Zimbabwean currency, saying it would remain at its official peg of 250 to the U.S. dollar -- almost 100 times less than the black market rate -- although he said the bank would buy foreign exchange at a new rate to help build a "drought stabilisation fund". Zimbabwe, once the breadbasket of southern Africa, is crippled by foreign currency and fuel shortages, unemployment of over 80 percent...