Opinion | The Supreme Courtroom is being cleaned up because of the weather. Monday is cleanup day in the Supreme Courtroom, because the Justices take up an errant choice by the D.C. Circuit Court of Appeals last 12 months that revived the Obama Clear Energy Plan—the identical rule they blocked six years in the past.

TheThe subject in West Virginia v. EPA is whether or not Congress gave the Environmental Safety Company a limitless license to manage greenhouse gasoline emissions. States and coal firms aren’t asking thecourtroomcourtroomm to reverse its misconceived Massachusetts v. EPA (2009) precedent that empowered the EPA to manage CO2 emissions, although that deserves to be revisited.