Given his 30 years' employment in the sewage treatment field, it is hardly surprising that Wayne Andersen has become inured to some of the nastier aspects of his occupation. A manager at the Blue Lake Wastewater Treatment Plant in Shakopee, Andersen doesn't even notice the stink anymore. "Do you smell anything?" he asks, and then shrugs at an affirmative response. "Olfactory... More >>>