Radioactive fish near Vt. nuke plant deemed common MONTPELIER, Vt. — When a fish taken from the Connecticut River recently tested positive for radioactive strontium-90, suspicion focused on the nearby Vermont Yankee nuclear plant as the likely source. Operators of the troubled 38-year-old nuclear plant on the banks of the river, where work is under way to clean up leaking radioactive tritium, revealed this month that it also found soil contaminated with strontium-90, an isotope linked to bone cancer and leukemia. Three days later, officials said a fish caught four miles upstream from the reactor in February had tested positive...