Inside Wisconsin’s Wild Spearing Tradition for Prehistoric Fish

I'm about a mile offshore on Lake Wnebago in Wisconsin, where for the next several weeks, people will be spending hours on end in small shacks like this in pursuit of a giant fish. It's called the lake sturgeon. They can live up to 150 years, weigh over 200 lb, and grow to more than 7 ft long.And people here protect them in the spring when they're spawning, and then during a season in February, they get to try to catch them. But it's really hard. They use spears inside a ice shack like this.And some people ...