After years as a graveyard for fish and an eyesore for the citizens of Green Bay, Wisconsin, the Fox River is bouncing back. Although fish now run the river, scientists say PCB's in the riverbed pose a great health hazard. The plans to remove the toxins from the river are expensive and the question is: Who should foot the bill? Marge Pitroff of member station WUWM reports from Green Bay, on the shore of Lake Michigan.