Journal-Sentinel: The long-awaited State Department report on the environmental impacts of TransCanada's Keystone XL Pipeline makes a dubious justification for its construction: The oil is going to flow in any case, so it won't add to carbon emissions from Alberta's oil sands industry. Through this extremely narrow lens, that may be true. The commitment on the part of the Canadian government to fully exploit the sands will go on whether or not this pipeline is built as long as so many are willing to enable it....