Listed below are the proponents of various types of Social Security privatization who have received the challenge about stock return projections. To date, only Senator Judd Gregg (R-NH) has responded, although, as noted, he has not provided such projections.

U.S. Senate

Breaux (D-LA)
Coats (R-IN)
Enzi (R-WY)
Gramm (R-TX)
Gregg (R-NH)
Hollings (D-SC)
Kerry (D-NE)
Lieberman (D-CT)
Moynihan (D-NY)
Robb (D-VA)
Thompson (R-TN)
Thomas (R-WY)

U.S. House of Representatives

Archer (R-AL)
Bachus (R-MO)
Campbell (R-CA)
Doolittle (R-CA)
Foley (R-FL)
Graham (R-SC)
Houghton (R-NY)
Kasich (R-OH)
Knollenberg (R-MI)
Kolbe (R-AZ)
Livingston (R-LA)
Miller (R-FL)
Parker (R-MS)
Petri (R-WI)
Porter (R-IL)
Sanford (R-SC)
Sessions (R-TX)
Shays (R-CT)
Smith (R-MI)
Stenholm (D-TX)

White House Council of Economic Advisors

Dr. Jane Yellin, Chair

U.S. Department of the Treasury

Robert Rubin, Secretary

Prominent Economists

Martin Feldstein, Harvard University
Steve Goss, Social Security Administration
Laurence Kotlikoff, Boston University
Jeffrey Sachs, Harvard University
Andrew Samwick, Dartmouth College
Sylvestor Schieber, Watson Wyatt Worldwide
Carolyn Weaver, American Enterprise Institute