In Wisconsin where I live, we naturally treasure Lake Michigan. That lake and all the Great Lakes now face the threat of Asian carp invading by way of the Illinois River and the Chicago Sanitary and Ship Canal.Scientists and state and federal government officials have known about the carp for years. Each year, they move farther upstream toward Lake Michigan. Everyone knows they need to be stopped, because if they get into the lake, they could multiply rapidly, disrupt the food chain with their voracious eating, and destroy a multi-billion-dollar fishing industry, not to mention the entire Great Lakes ecosystem.To
