Former Attorney General John Ashcroft is sworn in on Capitol Hill in Washington, Thursday, July 17, 2008, prior to testifying before the House Judiciary Committee hearing looking into administration interrogations rules. (AP Photo/Susan Walsh)

Former Attorney General John Ashcroft listens to opening remarks prior to testifying on Capitol Hill in Washington, Thursday, July 17, 2008, before the House Judiciary Committee hearing looking into administration interrogations rules. (AP Photo/Susan Walsh)

House Judiciary Committee Chairman Rep. John Conyers, D-Mich., left, talks with former Attorney General John Ashcroft on Capitol Hill in Washington, Thursday, July 17, 2008, prior to the start of a hearing on administration interrogations rules. (AP Photo/Susan Walsh)

Former Attorney General John Ashcroft is sworn in on Capitol Hill in Washington, Thursday, July 17, 2008, prior to testifying before the House Judiciary Committee hearing looking into administration interrogations rules. (AP Photo/Susan Walsh)

Former Attorney General John Ashcroft is sworn in on Capitol Hill in Washington, Thursday, July 17, 2008, prior to testifying before the House Judiciary Committee hearing looking into administration interrogations rules. (AP Photo/Susan Walsh)

House Judiciary Committee Chairman Rep. John Conyers, D-Mich., left, talks with former Attorney General John Ashcroft on Capitol Hill in Washington, Thursday, July 17, 2008, prior to the start of a hearing on administration interrogations rules. (AP Photo/Susan Walsh)

Former Attorney General John Ashcroft reviews his notes on Capitol Hill in Washington, Thursday, July 17, 2008, prior to testifying before the House Judiciary Committee hearing looking into administration interrogations rules. (AP Photo/Susan Walsh)

Former Attorney General John Ashcroft, left, talks to attorney Timothy Dickinson on Capitol Hill in Washington, Tuesday, March 11, 2008, prior to testifying before a House Judiciary subcommittee hearing to discuss corporate settlement agreements. (AP Photo/Dennis Cook)

Former Attorney General John Ashcroft testifies on Capitol Hill in Washington, Tuesday, March 11, 2008, before a House Judiciary subcommittee hearing to discuss corporate settlement agreements. (AP Photo/Dennis Cook)

Former Attorney General John Ashcroft testifies on Capitol Hill in Washington, Tuesday, March 11, 2008, before a House Judiciary subcommittee hearing to discuss corporate settlement agreements. (AP Photo/Dennis Cook)