In a slew of important cases before the Supreme Court, Chief Justice John Roberts “has engaged in strategic maneuvering, observed Adrian Vermeule and Varad Mehta at The Washington Post: Roberts' goal appears to be to preserve what he takes to be the legitimacy of the Supreme Court, by disproving any suspicion that the justices vote ideologically or otherwise engage in political behavior.” The problem: “Because it is so clear that he is crafting opinions with this end in mind, the chief justice defeats his own aims.” His effective rewriting of the ObamaCare law in 2012 was the most notorious example....