Bloomberg: Opponents of the Keystone XL pipeline used to have a simple argument: the project would endanger Nebraskas delicate Sand Hills region, a vast network of dunes and wetlands that have been designated a National Natural Landmark.
State leaders, including Republican Governor David Heineman, opposed the project on those grounds. President Barack Obama cited the threat to water in the state before denying TransCanada Corp. (TRP) a permit last year to build the pipeline, which would carry Canadian tar...