Methinks he doesn't know what a "Smackdown" is
But the court said the EPA can regulate greenhouse gas emissions from industries already required to get permits for other forms of emissions. As a result, Scalia said, the agency will be able to regulate sources responsible for 83% of all greenhouse gases emitted from stationary sources nationwide.
Read more at BREAKING: Supreme Court Strikes Down Huge EPA Regulations
The smackdown came when they told the EPA that they can not lower statutory thresholds for enforcement, that's what they tried to do.