Mother Jones: Late on a Friday afternoon in early March, the State Department released a 2,000-page draft report downplaying the environmental risks of the northern portion of the controversial Keystone XL pipeline, which would ferry oil from Canada`s tar sands to refineries in Texas, passing through Montana, South Dakota, Nebraska, Kansas, and Oklahoma. But when it released the report, State hid an important fact from the public: Experts who helped draft the report had previously worked for TransCanada, the company...