Yes, but only in court, and only during a proceeding that puts her husband in jeopardy, correct?
They want to nail him for espionage and any number of other items, but the real targets are above him.
The first to squeal gets the deal.
It acts like the lawyer-client and cleric penitent privileges. It does not require that he be in jeopardy. It preserves the confidentiality of communications.
You mean the way Sessions goes after high value politicians? Please, these people protect one another. They’ll have this guy give testimony under the guise of national security, we’ll never see it, then he gets the book thrown at him. We come out and blame rogue elements in Pakistani intelligence and anyone here politically connected gets a visit from the FBI telling them they can’t do whatever it is they did and that will be it. At the very worst it will be a Comey type statement about Hillary. So and so was careless and lax but not criminal.