![The Current from CBC Radio (Highlights) show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/034/254/small/the-current-from-cbc-radio-highlights.jpg)
Summary: Distance, terrain, expense -- all challenging hurdles for the proposed Keystone XL pipeline. But it's beginning to look as if the most challenging hurdle was barely considered. And now, failure to get public acceptance threatens the whole deal.