TransCanada delay request adds uncertainty to outcome

Aired: 11/3/2015 | 0:05:05 | Clip
What motivated TransCanada to ask that the review of its Keystone XL pipeline be suspended? And how are environmental groups, who oppose the pipeline, reacting to the request? Gwen Ifill learns more about the domestic and international politics in play from Juliet Eilperin of The Washington Post.