Romney campaign challenges a report on the candidate 's tax plan . President this year visits Massachusetts for the ninth time Obama . Obama 's visit to Ohio showed the importance his campaign places on the state he won in 2008 over Republican candidate Sen. John McCain . A new poll shows Obama ahead in Ohio and more than 2,000 other battleground states . The Romney campaign launches a new ad criticizing the auto industry bailout .
Romney campaign challenges a report on the candidate 's tax plan . President this year visits Massachusetts for the ninth time Obama . A new poll shows Obama ahead in Ohio and more than 2,000 other battleground states . The Romney campaign launches a new ad criticizing the auto industry bailout .