The one Supreme Court case most likely to reveal Chief Justice Roberts’ soul

The instant Justice Anthony Kennedy announced his retirement last June, Chief Justice John Roberts became one of the most watched men in America. With Kennedy gone, Roberts now holds the balance of power on a court otherwise split between four Democrats and four Republicans who are even more conservative than the Chief.

And, next Tuesday, the Supreme Court will hear a case that is likely to provide the clearest window to date into just how willing the Chief Justice is to politicize ...