The religious voters who did switch from Republican to Democrat just mirrored the American electorate as a whole , said James L. Guth , a professor of political science and adviser for the College Republicans at Furman University in Greenville , S.C . THE 2006 ELECTIONS : THE VOTERS Correction : November 11 , 2006 , Saturday An article on Thursday about election turnout by religious voters misstated the number of states where constitutional amendments defining marriage as a union between a man and a woman were approved Tuesday .