Longtime readers will remember a joke we used to crack. Whenever somebody wanted to kill conversation on The Corner, all it took was a single phrase: enhanced rescission authority. (This was a fancy-pants name for the line-item veto, invented by people who were trying to make the concept pass Supreme Court muster.) Deadening silence followed. Today, it feels like old times even though, technically, I don’t think anybody has talked about enhanced rescission authority since Denny Hastert was Speaker of the House.