>> good morning bill. i think it's going to depend on whether the communications involved are within the ambit of the presidents' responsibilities. the way executive privilege works commits a recognized privilege, the supreme court recognized it in the united states first mixing. it didn't wrestle with the question of whether you have to be a formal advisor on the white house staff but the language in the opinion and the related opinions seem to suggest that as long as the president is within the bounds of his written executive responsibility, a claim of privilege is legitimate and if you think about it on the other side, bill, let's see a member of congress brought somebody and from private life to talk about some economic or private policy issue or foreign policy issue. i think if the justice department tries to subpoena that a person to ask about the