A water tower stands over downtown Tallulah in September 2025. (Photo by Elise Plunk/Louisiana Illuminator)A new effort to remove fluoride from public drinking water supplies in Louisiana would allow local residents to vote on the matter, though dental professionals say it would be a step backwards in health care. Changes made Wednesday to a bill Sen. Mike Fesi, R-Houma, has sponsored would create an avenue for local elections to either add or…