UPI: World wheat supplies have been sharply reduced due to severe drought and wildfires in Russia, a crop report released Thursday by the U.S. Department of Agriculture concludes. The wheat supply will be 6.6 percent smaller than in previous projections and prices, which began a steady increase in June when Russia’s heat wave began, will continue to surge, the monthly report said. The crop shortage exacerbates the economic and health turmoil Russia has suffered during its worst heat …