From the Christian Science Monitor:

Chicago Mayor Richard M. Daley agrees that the Asian carp present an ecological and economic threat to the Great Lakes. But he disagrees with neighboring states that Illinois should lock down a historic canal that allows the fish to get to Lake Michigan.

In a letter published in the Washington Post this week, Mayor Daley argued that the invasive species – which experts say will destroy the lake ecosystem – is a “national problem that requires national solutions” and therefore Illinois alone should not have to foot the costs associated with addressing the problem. Read more.