The correct answer is B) executive privilege.
Georg W. Bush based his refusal to respond to a subpoena about a leak of confidential White House information.
On July 16, 2008, President George W. Bush used his executive privilege in a case of leaking information that was being investigated by the FBI. Attorney General Micahel Mukasey ordered a subpoena but President Georg W. Bush based his refusal to respond to a subpoena about a leak of confidential White House information. The FBI was investigating a report that had the interview that had Special Counsel Patrick J. Fitzgerald had with Vice President Richard B. Cheney.