SurveyUSA Breaking News - 03/05/08 04:30 PM
7 pollsters competed in the 03/04/08 Ohio Republican Primary. Forecasts ranged from a 17-point John McCain win to a 40-point McCain win. McCain won by 29 points. Zogby was the most accurate by┬á5 error measures.
(keep clicking on the graph until it is legible)