anchor: As this letter makes clear, as Comptroller General of the United States, I have broad discretion to conduct audits, investigations, and examinations of executive branch activities either at the request of Congress or on my own authority.
positive: Because I am Comptroller General of the United States, I have ample room to conduct audits and investigations on my own authority.
negative: The letter states that, as Comptroller General, I have very little power and not even Congress can empower me to conduct audits.