FORT CHIPEWYAN, Canada — In 2006, Canadian doctor John O’Connor made a startling realization. Specialists had diagnosed three of his patients in the northern Alberta village of Fort Chipewyan with cholangiocarcinoma — a deadly cancer of the bile duct. The same cancer had killed his own father years earlier in Ireland. Only about one in 100,000
As President Obama decides whether to veto the Keystone XL pipeline, evidence of disease in people and fish is found at its proposed source.