TransCanada Corp
TransCanada Corp. files $15 million lawsuit against President Obama
Jan 11, 2016 03:33 AM EST
Obama rejects Keystone XL pipeline in win for greens
Nov 08, 2015 10:51 PM EST
Obama notes concerns over 'dirty' Keystone oil extraction
Mar 07, 2015 05:10 AM EST
Senate fails to override Obama's veto of Keystone XL approval
Mar 04, 2015 05:46 PM EST