Librarians: The Vanguards of National Security? TweetShareGoogle+Email By Larry Burriss, Ph.D. Listen Listening... / Murfreesboro, TN – An old television commercial used to say, "Only her hairdresser knows for sure." MTSU Journalism Professor Larry Burriss says, in this brave new world, may "hairdresser" should be changed to "librarian." TweetShareGoogle+EmailView the discussion thread.