To say that conservatives haven’t had much to cheer about at the Supreme Court lately is an understatement. Much has been said -- and rightly so -- denouncing the judicial acrobatics required to save Obamacare and strike down state bans on same-sex marriage. So I wanted to take a moment to spotlight a case where the Court got it right: Michigan v. EPA. As the saying goes, even a blind pig finds an acorn once in a while. And in ruling that the Environmental Protection Agency improperly ignored costs when it decided to regulate hazardous air pollutants from power plants,...