As it should be unless they are asking questions of a national security nature. If all or most of the questions pertain to national security, we aren't going to find out much. Then, it would be up to Mueller to get him to testify before his committee.
Fat lot of good it did! Sessions kept saying "I don't recall" or "I don't remember". Who can prove otherwise? So another potential for finding the truth crushed. AARRGGHH! :( Thank you for your reply Spunky! :)