Vitter: China's Energy Purchase in Canada Highlights Need to Approve Keystone XL Jul 24 2012 Print Email Share Tweet http://www.vitter.senate.gov/public/index.cfm?FuseAction=PressRoom.PressReleases&ContentRecord_id=b5962e21-917f-47cd-7f3e-ff1ed6f1c9a3&Region_id=&Issue_id=