SAN FRANCISCO (MarketWatch) -- Federal approval of TransCanada Corp. Keystone XL pipeline "is looking much less like a post-election slam dunk," Energy Intelligence Group reported Tuesday. The publication cited anonymous sources saying the decision could be pushed into June, "leaving proponents fretting over what's behind the delay," it said. A decision on the controversial pipeline, planned to run from Canada's oil sands to Nebraska to connect Canadian tar-sand oil to refineries in the midwest and Gulf of Mexico, had been postponed, and TransCanada re-routed the line to avoid ... Read More