Political calculation beats a desire to free up ready-to-go normal-people energy

It's pretty evident to anyone who cares to see that the MEC's decision not to decide on givign the go-ahead to the Keystone XL pipeline until - oh, maybe sometime around late November 2012 is based on a desire not to ruffle the feathers of his green base. But if developments in the Arab / Muslim world have an upward effect on the price of oil between now and then, it could turn out not to be so advantageous after all.