FILE - In this Aug. 16, 2012 file photo, dust is blown from behind a combine harvesting corn in a field near Coy, Ark. The remnants of Tropical Storm Isaac could ease but not eliminate drought ... more 
FILE - In this Aug. 16, 2012 file photo, dust is blown from behind a combine harvesting corn in a field near Coy, Ark. The remnants of Tropical Storm Isaac could ease but not eliminate drought conditions in Arkansas, Missouri and Illinois by dropping 2 to 5 inches of rain. (AP Photo/Danny Johnston, File) less 
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Associated Press | Photo By Danny Johnston, File
Tue, Aug 28, 2012 3:15 AM EDT