"The vice president believes that Congress has very few powers to actually constrain the president and the executive branch," former Justice Department attorney Marty Lederman tells FRONTLINE. "He believes the president should have the final word -- indeed the only word -- on all matters within the executive branch."
After Sept. 11, Cheney and Addington were determined to implement their vision -- in secret. The vice president and his counsel found an ally in John Yoo, a lawyer at the Justice Department's extraordinarily powerful Office of Legal Counsel (OLC). In concert with Addington, Yoo wrote memoranda authorizing the president to act with unparalleled authority.