A fish kill involving more than 580 dead bass that coincides with a recently completed FLW Tour event in the La Crosse, Wisconsin area, has Department of Natural Resources Officials at a loss to explain. Especially since it's the second consecutive year there's been a higher-than-normal incident of dead bass following the area's largest and most lucrative tournament. Last year, the fish autopsied following the die-off were found to have been suffering from largemouth bass virus. That disease causes death in bass, especially if they're stressed. According to sources in Wisconsin, more than 98 percent of the bass collected from...