INTRO: Voters-01

(L-R) U.S. Presidential hopeful Sen. Barack Obama (D-IL) speaks to a crowd gathered in Chariton, Iowa, on Nov. 08, 2007; and Donald Davis, next to his wife, Alice Davis and a friend, Judy Manning, from Wayne, Iowa, listen to U.S. Presidential hopeful Sen. John Edwards (D-NC) speak at a roundtable discussion with undecided caucus-goers on December 29, 2007, in Washington, Iowa.

(L-R) U.S. Presidential hopeful Sen. Barack Obama (D-IL) speaks to a crowd gathered in Chariton, Iowa, on Nov. 08, 2007; and Donald Davis, next to his wife, Alice Davis and a friend, Judy Manning, from Wayne, Iowa, listen to U.S. Presidential hopeful Sen. John Edwards (D-NC) speak at a roundtable discussion with undecided caucus-goers on December 29, 2007, in Washington, Iowa.