Proper diplomatic protocol would require that she be addressed as Mrs. President.
At news conferences, journalists and reporters refer to George Bush as "Mr. President..."
I called him "Hey Idiot..." and got kicked out of the news conference. Secret service can't take a joke. But they laughed their asses off once we were out of sight of the press and we all went out and got drunk. Man, they had some great stories...especially about Bill's escapades. Think Monica was the only one?