The Republicans play 'politics of convenience' over Keystone.

To begin with, this isn't a debate. This is about scientific findings. 

By Jim Snyder  
Apr 21, 2014 12:00 AM ET

The focus of the Keystone XL (click here) debate has shifted from a fierce lobbying war in Washington to Lincoln, Nebraska, where the state Supreme Court has been asked to weigh a legal challenge to the pipeline....

I thought Republicans valued State's Rights over anything the federal government has to say. I mean either there is a problem in Nevada or not.