Energy is public policy. That’s why we have a strategic petroleum reserve. We need cheap availability of energy to support potential military endeavors.
The pipeline is owned by TransCanada Corporation, a foreign company. Cruz is A-OK with ED being used for the pipeline, because ".. it would generate good, high paying jobs,". (Cruz-2014)
So to recap. Cruz is for ED being used by a foreign company as long as it creates jobs. Super Duper. So is Trump.