Reagan biographer Lou Cannon noted that this was a suspect quotation, and that he could find no evidence of it. Thomas did say that both major political parties had borrowed items from the Socialist Party platform.
Cannon, Lou. Governor Reagan: His Rise to Power. New York: PublicAffairs Books, 2003. ISBN 1-586-48030-8 (p. 125).
Possibly Misattributed
Norman Thomas: Socialist
Norman Thomas was American Presbyterian minister and socialist. Explore interesting quotes on socialist.Debate with Barry Goldwater, University of Arizona campus, Tucson, Arizona, November 1961
Debate with Barry Goldwater, University of Arizona campus, Tucson, Arizona, November 1961
As quoted in Norman Thomas: Respectable Rebel, Murray B. Seidler, Syracuse University Press (1961) p. 27
"Why I Am A Socialist", Princeton Alumni Weekly, 1928. Reprinted in Timothy Patrick McCarthy and John Campbell McMillian, The Radical Reader: A Documentary History of the American Radical Tradition, The New Press, 2011.