cases. barr did not become attorney general until 2019, that's after those secret subpoenas for data from congressman schiff and swalwell were issued. instead jeff sessions was attorney general at the time but was told by a source that sessions was not involved in any subpoenas related to the house committee, since of course he broadly recused himself from any matters involving russia. >> thank you so much. with me now, cnn contributor john dean, he was president nixon's white house counsel. john, so good to see you. >> thank you. >> so you were at the white house, the counsel for nixon when he was obsessed with leaks which led to watergate, his resignation, et cetera. so how is this different from nixon's enemy list? >> it's very different. first of all, nixon's list was just a list. it really never got beyond collecting names and assembling them and tossing them into a file drawer. i can't think of any instance