Results of The Research 2000 Iowa Poll, December 18-20, 2006.
Sample size: 600 likely voters. Margin of error: +- 4%.
If the 2008 Democratic caucus were held today: John Edwards and Barack Obama tied at 22%, Tom Vilsack at 12%, and Hillary Clinton with 10%.
If the 2008 Republican Caucus were held today: John McCain at 27%, Rudy Giuliani with 26%, and Mitt Romney is next with 9%
