The former governor and Health and Human Services secretary is well-known and well-liked in the state, but has been attacked for his more centrist healthcare views, including early support of an individual mandate requirement in a healthcare plan. Hovde has spent millions of dollars of his own money on the race, and Neumann has the support of the big-spending, fiscally conservative Club for Growth, which is fresh off a victory in Texas's Senate race and has run ads blasting both Hovde and Thompson.
The poll of 400 likely primary voters was conducted from July 30-31 and has a margin of error of plus or minus 4.9 percentage points.
The Hill rates this race a "toss-up," though Thompson would be the strongest general-election candidate for the GOP to face Rep. Tammy BaldwinTammy BaldwinOvernight Finance: Wall Street awaits Brexit result | Clinton touts biz support | New threat to Puerto Rico bill? | Dodd, Frank hit back Dem hopeful that Congress will eliminate tax break for investment fund managers Congress should stop government hacking and protect the Fourth Amendment MORE (D-Wis.) in the slightly Democratic-leaning state.