Out of all the competitive Senate races this cycle, former Wisconsin Gov. Tommy Thompson (R) is emerging as a leading target of conservatives.
While candidates in other races could still emerge, conservative grassroots groups have failed to find top-tier recruits against centrist Republicans in some other Senate races, leaving them to focus their ire on the former governor and Health and Human Services secretary.
Tea Party groups had once talked about targeting Sens. Olympia Snowe (R-Maine) and Bob Corker (R-Tenn.), and had hoped a strong, down-the-line conservative would emerge against centrist former Rep. Heather Wilson (R-N.M.). None of those things has happened.
Read more at The Hill here.