Jerrold Nadler actually said...

Claims of secrecy have been used to conceal matters from Congress even though Members have the security clearance necessary to be briefed.

I think the purpose of this hearing is, regardless of the position of any Administration, to figure out what is right, not who is right.

the natural tendency on the part of the executive branch to overstate claims of secrecy and to avoid disclosure whenever possible

Our experience has demonstrated the destructive impact that sweeping claims of privilege and secrecy can have on our Nation.