This photo from Aug. 1, 2012, shows a drought damaged ear of corn in Westfield, Ind., corn field. U.S. corn growers could have their worst crop in a generation as the harshest drought in decades takes... more 
This photo from Aug. 1, 2012, shows a drought damaged ear of corn in Westfield, Ind., corn field. U.S. corn growers could have their worst crop in a generation as the harshest drought in decades takes its toll, the government reported Friday, Aug. 10, 2012, as it forecast the lowest average yield in 17 years. (AP Photo/Michael Conroy, File) less 
1 / 27
Associated Press | Photo By Michael Conroy, File
Fri, Aug 10, 2012 12:29 PM EDT