Drought hurts vital Australian wheat

• Story Highlights
• Wheat exports dropped 46 percent from 2005 to 2006 then fell 24 percent last year
  
• Stocks are low after several years of drought in a row
  
• Riots over rising bread prices, shortages led to at least 10 deaths in Egypt this year
  
• Some of Australia's most arable land is also among the hardest hit by the drought
  
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