The Government Accounting Office is suing Dick Cheney for Enron-related documents. But David Walker, the Comptroller General (head of the GAO since 1998), has an interesting resume himself.

Immediately prior to his appointment as Comptroller General, Mr. Walker was a partner and global managing director of Arthur Andersen LLP’s human capital services practice and a member of the board of Arthur Andersen Financial Advisors, a registered investment advisor. He also served as a Public Trustee for Social Security and Medicare from 1990 to 1995 while he was a partner with Arthur Andersen.

Should he recuse himself from the suit? We report, you decide…