Rasmussen recently had J.D. Hayworth just 7 percentage points behind U.S. Sen. John McCain in this year's GOP primary. McCain's camp had said its polls have him up by 20 points.
Another interesting tidbit:
On the general election front, we tested two fairly well-known but undeclared Democrats (former Governor Bruce Babbitt and Congresswoman Gabrielle Giffords). We also tested the two declared Democrats (Rodney Glassman and Nan Stockholm Walden), who are much less well-known. The two declared candidates are unknown to the majority of the electorate, although both clearly have substantial upside (Glassman, for example, already does as well, or better, than Congresswoman Giffords).
The bottom line? The Democrats become competitive, if Hayworth somehow manages to score a victory in the GOP primary:
And this detail: