Hillary Clinton and Barack Obama debate in Los Angeles, Calif., on January 31, 2008. By this point they became the final two Democratic candidates remaining in the race.
NATIONAL
Barack Obama +4.4% Colorado
Barack Obama +6.0% Florida
John McCain +8.3% Iowa
Barack Obama +6.4% Michigan
John McCain +1.6% Nevada
John McCain +1.0% New Hampshire
John McCain +1.4% North Carolina
John McCain +4.7% Ohio
Barack Obama +1.3% Pennsylvania
Barack Obama +5.8% Virginia
Even Wisconsin
Barack Obama +7.0%
[NOTE: Figures above are averages of the 3-6 most recent surveys in each area. Updated June 17]