Peanut butter contaminated with Salmonella has sickened at least six Wisconsin consumers according to the Wisconsin Department of Health and Family Services. The six reported cases took place between September 5, 2006 and January 28, 2007, and sickened consumers in several Wisconsin counties, including Dane, Manitowoc, Milwaukee, Outagamie, Washington and Winnebago. ConAgra Food's peanut butter...