Ottawa, IL, Jan 19, 2010 — A big monster of a fish is at the center of a US Supreme Court case. Asian Carp are making their way up the Mississippi towards the Great Lakes and the St. Lawrence Seaway. Michigan's Attorney General - along with New York and several other Great Lakes states - filed a lawsuit asking the Court to close a Chicago canal in order to keep the carp out. The shipping industry says the consequences would be devastating. Jennifer Guerra has a closer look at what's at stake.