Both parties are testing messages for fall midterms in January 's special election . Democrat trying use Social Security to frame midterm elections . This district is split down the political middle -- 37 % of those registered to vote are Republicans , about 35 % are Democrats and 28 % are unaffiliated or back a third-party candidate . Democrat candidate says outside anti-Obamacare ads are drowning other issues . Republican is confronting Obamacare debate , saying there 's room for improvement .
Both parties are testing messages for fall midterms in January 's special election . Democrat trying use Social Security to frame midterm elections . Democrat candidate says outside anti-Obamacare ads are drowning other issues . Republican is confronting Obamacare debate , saying there 's room for improvement .