Other Candidates Still A Long Way Behind These Four Leaders. In the Republican nomination race, former U.S. Senator Fred Thompson, while still not a declared candidate, has edged marginally ahead of Mayor Rudy Giuliani. Three in ten (29%) of those who expect to vote in a Republican primary or caucus would vote for Thompson while 28 percent would vote for Giuliani (and a one percent difference is not statistically significant). On the Democratic side, the top contenders have not changed. Senator Hillary Clinton is still in the lead, as over one-third (35%) of those who would vote in a Democratic...