Senate Majority Leader Mitch McConnell, R-Ky., center, listens as Sen. John Hoeven, R-N.D., sponsor of the Keystone XL pipeline bill, talks with reporters after winning a critical procedural vote on the Keystone XL Pipeline bill, at the Capitol in Washington, Thursday, Jan. 29, 2015.
Senate Majority Leader Mitch McConnell, R-Ky., center, listens as Sen. John Hoeven, R-N.D., sponsor of the Keystone XL pipeline bill, talks with reporters after winning a critical procedural vote on the Keystone XL Pipeline bill, at the Capitol in Washington, Thursday, Jan. 29, 2015. The Republican