SPECTRUM NEWS VIDEO: The Lake George Parks Commission describes its invasive species prevention program as the toughest east of the Mississippi. Boats are visually inspected before entering the water, and in some cases washed down with hot water. So far, the inspections are succeeding in stopping new species from getting into the lake. But it's also intended to protect other bodies of water. Dave Wick, executive director of the Lake George Parks Commission, joins the show with more.