A final implication of today’s ruling is that the filibuster has to go. If the Supreme Court is going to require that Congress be more active and specific in protecting the environment or anything else, such a goal is implausible when 60 senators are necessary to enact it. Senate Democrats now have it in their power to abolish the filibuster. Today’s case should convince them they must.
Source: The Beginning of the End of Regulation | The Smirking Chimp