difference between the candidates on these issues and i think it's a difference that the american people will have to decide which one is more consistent with our values and who we are as a nation. >> mr. mayor, thank you very much. thanks for joining us today. meanwhile today, voters in five key battleground states are being started with i a new obama ad airing only today slamming romney for his ties to bain capital and his role in shutting down a kansas city steel plant. he's laying the groundwork for a much larger ad buy from the president's super pac supporters pushing the same theme in the same key states. >> mitt romney was deeply involved in the influence that he exercised over these companies. >> they made as much money as they could and they closed down and filed for bankruptcy without concern for the families in the communities. >> it was like a vampire. they came in and sucked the life out of us. >> it was like watching an old friend bleed to death.