FILE - In a Feb. 9, 2010 file photo, two Asian carp are displayed on Capitol Hill in Washington, during a Subcommittee on Water Resources and Environment hearing on preventing the induction of the ... more 
FILE - In a Feb. 9, 2010 file photo, two Asian carp are displayed on Capitol Hill in Washington, during a Subcommittee on Water Resources and Environment hearing on preventing the induction of the carp, a aquatic invasive species into the Great Lakes. Six attorneys general in the Great Lakes region on Wednesday, Aug. 31, 2011 called for a multi-state coalition that would push the federal government to protect the lakes from invasive species such as Asian carp by cutting off their artificial link to the Mississippi River basin, according to a letter obtained by The Associated Press. (AP Photo/Manuel Balce Ceneta, File) less 
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Associated Press | Photo By Manuel Balce Ceneta, File
Wed, Aug 31, 2011 7:44 AM EDT