elizabeth goitein, your response to this exchange? >> well, there is the interruption of senator harris, which really needs to be addressed. this is the second time it has happened. these senators have only five minutes to ask the questions. they do have an interest in not allowing the witness to essentially filibuster. every senator who asks questions of attorney sessions has in some point interrupted him. senator harris was far from the only one, yet she was the only one who was chastised for doing so. this was definitely problematic. sheerms of the questions was asking, it is an extremely valid question. there is an effort to try to get --the bottom of the editions of sessions' legal basis to refuse to answer questions. because he considered impeding could betigation -- it considered impeding the investigation. he needed to provide a legal basis. he was trying to hide behind the shield of executive privilege without the president having actually asserted executive privilege. it was certainly a valid line of questioning and one that

elizabeth goiten codirects the brennan center for justice, liberty and national security program, new york university school of law. previously ms. goiteinserved as counsel to the yes, senator russell feingold, chairman of the constitution subcommittee on senate judiciary of this senate judiciary committee. ms. goitein also served as a trial attorney in the federal programs branch of the civil division of the department of justice, and she graduated from yale law school. elisabeth collins is serving her second term as board member of the privacy and civil liberties oversight board. previously she was an attorney in private sector at two international law firms, and served as the republican chief counsel for supreme court nominations for senate judiciary committee. ms. collins was also an assistant attorney general legal policy, doj, where she provided advise and consult relating to national security and other issues. ms. collins is a graduate of the university of chicago and harvard law school. we will proceed to my left to my right, so mr. olsen, proceed please. >> thank you very much chairman grassley bigots honor to be here. let me bu