A new film is documenting efforts to prevent invasive carp species from entering the Great Lakes. "Against the Current 2: Keeping Invasive Carp Out of the Great Lakes" is a sequel to 2020's "Against the Current," which detailed work on the Brandon Road Lock and Dam project near Chicago. Marc Smith, policy director for the National Wildlife Federation, said although the effort has been centered on Illinois and Lake Michigan, it has wide-reaching implications. ...