NEW: Penn Biden Center relaxed security in early 2019 when visitors no longer needed key fob or escort to access 6th fl of bldg, leaving Biden’s office, filled w secret govt docs inclg hi-level memos on China, virtually open to public –inclg UPenn studentshttps://t.co/tKbY3pPwa2

— Paul Sperry (@paulsperry_) February 26, 2024