The Keystone XL Pipeline is threatening Obama's legacy

Barack Obama must wish he never heard the name TransCanada. First, the company’s application to build the nearly 2,000-mile Keystone XL pipeline from Alberta, Canada to Port Arthur, Texas, and the backlash from environmentalists, caused him years of agita. Now, after Obama finally sided with the greens and rejected the pipeline, TransCanada has reacted in a way that threatens his most cherished remaining policy achievement, the Trans-Pacific Partnership (TPP). This week, TransCanada filed suit...