Canter goes on to attack Mourdock for an alleged pay-to-play scandal and for backing a lawsuit against Chrysler's government-backed bankruptcy plan, accusing him of spending $2 million of taxpayer money on the lawsuit that could have cost Indiana more than 100,000 jobs, in their estimate. The attack has been one Democrats had not yet made publicly because they didn't want to help Lugar, whom most see as a much tougher general-election candidate than Mourdock. 

Democrats believe that they can beat Mourdock in the Republican-leaning state with Rep. Joe DonnellyJoe DonnellyDems struggle with abortion litmus test What prospective college students need to know before they go — or owe Battle begins over Wall Street rules MORE, a centrist Democrat. But Republicans have argued Mourdock will have no problem beating Donnelly, pointing to Sen. Dan CoatsDan CoatsSouth Korea missile defense online in ‘coming days’ Sanders on skipping WH Korea briefing: 'I did not want to be part of a photo op' Overnight Defense: Senators go to White House for North Korea briefing | Admiral takes 'hit' for aircraft carrier mixup | Lawmakers urged to beef up US missile defense MORE's (R-Ind.) 15-point win over another centrist Democrat in 2010 and arguing Donnelly's support of Democrats' health insurance overhaul will be toxic in the race.