EcoWatch: With President Obamas blessing, TransCanada has been laying pipe for the 485-mile southern (OK-TX) leg of Keystone XL in the face of persistent nonviolent direct action by determined landowners and Tar Sands Blockade.
Look at the map below. If the southern leg of TransCanadas pipeline is allowed to be completed, the fuse to the tar sands "carbon bomb" will be lit.
Connecting the southern leg of Keystone XL to the already built Keystone I (the orange line on the map) would open the floodgates...