The Trump administration has issued a presidential permit to TransCanada to build Keystone XL. President Trump is expected to speak on the issue at 10:15 this morning.

What's next: The years-long fight over the pipeline that would bring crude oil from Alberta's oil sands to Gulf Coast refineries will probably enter uncharted waters soon: a court challenge from groups such as the Center for Biological Diversity and the Sierra Club over federal approval of the project.

Where else: The expected federal court fight is just one venue. Another is the Nebraska Public Service Commission, and another is the streets — look for green groups and their allies to revive the highly visible protest movement that helped to defeat Keystone under Obama.