U.S. judge cancels permit for Keystone XL pipeline from Canada

A U.S. judge cancelled a key permit Wednesday for the Keystone XL oil pipeline that's expected to stretch from Canada to Nebraska, another setback for the disputed project that got underway less than two weeks ago following years of delays. Judge Brian Morris said the U.S. Army Corps of Engineers failed to adequately consider effects on endangered species such as pallid sturgeon, a massive, dinosaur-like fish that lives in rivers the pipeline would cross. The ruling, however, does not shut down