EcoWatch: Early this morning, eight individuals blocked construction of a pump station for TransCanadas controversial Keystone XL tar sands pipeline on Seminole land-by-treaty in Oklahoma by locking on to equipment in the largest action yet by the Great Plains Tar Sands Resistance. Nine people have been arrested. They managed to shut down the site until a volunteer firefighter reportedly injured one of the lockdowners, who is now in an ambulance. Others participating in the action unlocked out of concerns...