Question: In this regard, agencies must continually (1) explore and assess information security risks to business operations, (2) determine what policies, standards, and controls are worth implementing to reduce these risks, (3) promote awareness and understanding among program managers, computer users, and systems development staff, and
There is no real way to control the risks 100% but there always will be ways to help diminish them.

Answer: it is not possible to tell

Question: In a nutshell, GAO currently stands at an important crossroads in its history and in its ability to provide the unique support the Congress and the American people expect from it.
GAO provides unique support to Congress and Americans.

Answer: yes

Question: Another situation where program implementation case studies may be called for is when concern exists about implementation problems.
Program implementation case studies are never useful, so they are banned.

Answer:
no