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It would be May of 2013 when Portland residents were asked to decide an issue most major metropolitan areas had decided back in the '50s - should we add fluoride to the city's drinking water supply? Determined to go beyond campaign sound bites, KATU Consumer Investigator Shellie Bailey-Shah sought to uncover scientific proof - either supporting or disputing the argument that fluoridated water would lead to fewer cavities in children. Crunching the state of Oregon's raw data in more logical ways than the state itself had ever considered, Bailey-Shah provided voters with hyper-local evidence that fluoride would not, in fact, improve their children's dental health. Moreover, Bailey-Shah revealed how the state - a strong political and financial supporter of the community fluoridation campaign - stonewalled efforts to bring these new revelations to light.