Guest host Brian Masse talks with the Director of Policy and Legislative Affairs for the Great Lakes Fishery Commission, Greg McClinchey, to talk about the threat sea lampreys are to eco systems in the area and why invasive species are so dangerous.

<p>Guest host Brian Masse talks with the Director of Policy and Legislative Affairs for the Great Lakes Fishery Commission, Greg McClinchey, to talk about the threat sea lampreys are to eco systems in the area and why invasive species are so dangerous.</p>