irreversible harm to our nation's security. that's from the white house. a few moments ago chuck grassley tweeting -- i just have to read it. thanks for kennedy files release. ridiculous that cia wants to review redaction. had 50 years. now cia wants further cover-up. potus stop. this is from senator chuck grassley. is there anything we can glean from this that might concern the fbi and cia if made public? >> well, what they say, and i can only tell you what they say since we haven't seen the documents they want protected, they want to protect the identities of people who are still alive or whose family members are still alive and who gave information to the united states at the time in 1963 when oswald was in mexico or who were involved with the cia and fbi in subsequent work on tassassinatin