The Supreme Court will take up Chevron deference on Wednesday, a principle related to how much consideration judges must give to federal agency regulations and other executive branch decisions that stems from a Reagan-era environmental regulation. Energy reporter Alex Guillén tells Playbook co-author Ryan Lizza that the fact the court is even taking it up signals that a change in the 40 year-old rule seems likely.

Playbook co-author Ryan Lizza interviews energy reporter Alex Guillén.