From Mike Rogers site, it's one of these:
Lamar Alexander (R-TN)
Wayne Allard (R-CO)
Robert F. Bennett (R-UT)
Christopher S. Bond (R-MO)
Sam Brownback (R-KS)
Jim Bunning (R-KY)
Richard Burr (R-NC)
Saxby Chambliss (R-GA)
Tom Coburn (R-OK)
Thad Cochran (R-MS)
Norm Coleman (R-MN)
John Cornyn (R-TX)
Larry E. Craig (R-ID)
Mike Crapo (R-ID)
Jim DeMint (R-SC)
Pete V. Domenici (R-NM)
Michael B. Enzi (R-WY)
Lindsey Graham (R-SC)
Judd Gregg (R-NH)
James M. Inhofe (R-OK)
Johnny Isakson (R-GA)
Mel Martinez (R-FL)
John McCain (R-AZ)
Mitch McConnell (R-KY)
Pat Roberts (R-KS)
Jeff Sessions (R-AL)
Richard C. Shelby (R-AL)
Gordon H. Smith (R-OR)
Ted Stevens (R-AK)
John E. Sununu (R-NH)
John Thune (R-SD)
David Vitter (R-LA)
George V. Voinovich (R-OH)
http://web.archive.org/web/20061003204037/http://www.blogactive.com/2006_04_01_blogactive_archive.html
Well that narrows it down quite a bit, doesn't it?
Brownback Mountain?
Gotta be old Lindsay.