Some perspective on opposition to the Keystone XL pipeline and the energy from Canadian oil sands the pipeline would deliver to U.S. refiners. Politicians and activists bad-mouthing the latest environmental review of the pipeline project by the State Department are taking issue with three impact assessments, not just one.

Last week's report reiterated environmental reviews in April 2010 and this past April. The government now has said three times that the 1,700-mile pipeline would pose only minimal environmental risk during construction and operation.

Those who don't like the message went after the messenger. "By concluding that the pipeline will have minimal environmental impact, absent the expert opinion from our government's wildlife experts, it appears that the State Department has not... more »