The "Forgotten Man" in American politics

Pop quiz question #1: When Yale professor William Graham Sumner introduced the concept of "the forgotten man" decades before Roosevelt's New Deal, what did he mean by it?

Pop quiz question #2: When FDR first used it, what did he mean by it?

Pop quiz question #3: Why does it matter - enormously - that FDR twisted the meaning to his own advantage while he was in office?

Answers are in the text of "The Legacy of the 1936 Election," by Amity Shlaes, adapted from a lecture given in July, and printed in the September 2007 Imprimis. Shlaes is, among other things, the author of the bestselling history of the Great Depression, The Forgotten Man.