Should+the+Keystone+Pipeline+be+approved?

http://www.cnn.com/2014/11/18/politics/keystone-pipeline-senate-vote-explainer/

http://www.thedailybeast.com/articles/2014/05/12/keystone-pipeline-is-d-c-s-dumbest-debate.html

http://www.nytimes.com/2014/11/19/us/politics/what-does-the-proposed-keystone-xl-pipeline-entail.html?_r=0

http://time.com/3585973/keystone-xl-pipeline-expansion-vote/