West Chester, Ohio (CNN) - White House hopeful Mitt Romney vowed to deliver real change at a blockbuster rally he headlined with running mate Paul Ryan in battleground Ohio.
The Republican presidential nominee criticized President Barack Obama, who during his own visit to the Buckeye State said voting was the “best revenge.” The Democratic incumbent altered a traditional refrain from his stump speech when he received boos from the audience.
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"No, no, no – don't boo, vote," Obama said Friday in Springfield, Ohio. "Vote. Voting is the best revenge."
That evening, in West Chester, Romney responded, "Our big dreams will not be satisfied by his small agenda that already failed us. Today, did you see what President Obama said today? He asked his supporters to vote for revenge – for revenge. Instead I ask the American people to vote for love of country."
With Election Day four days away, the GOP running mates kicked off what the campaign dubbed a "Real Recovery Road Rally" tour that will include events with the candidates, their wives and 100 surrogates in the final days of the presidential race.
At least 40 of those surrogates appeared at the chilly outdoor rally with Romney and Ryan that drew a massive audience in the Cincinnati suburb– crowd estimates ranged from 18,000 to 30,000 – and included a performance by Kid Rock, who belted out "Born Free" from on top of a piano.
Guests included 2008 GOP presidential nominee Arizona Sen. John McCain; Sen. Marco Rubio of Florida; House Speaker John Boehner of Ohio; and former New York City Mayor Rudy Giuliani who delivered a series of blistering zingers against the president who rallied the crowd with line after line of reasons why Obama should "resign" and faulting him for "incompetence" over the Libya consulate attacks.
The surrogates will fan out across eleven battleground states: Colorado, Ohio, Florida, Iowa, Michigan, North Carolina, New Hampshire, Nevada, Pennsylvania, Virginia, and Wisconsin.
Of the GOP powerhouse Romney said, "They are about to Fan out across the entire nation to make sure we have victory on November 6, and some comic on the team has named us the Romney-Ryan Real Recovery Road Rally – I got it out – that's R6 for short.They're going to make sure we win. Ohio is the center place. We're going to make sure this is the place we take. And we're going to take back the White House."
Jokes aside, a new poll indicates the race for arguably the most important battleground state remains very close. According to a CNN/ORC International survey released Friday, Obama holds a three point advantage over Romney in the contest for Ohio's much fought over 18 electoral votes.
That did not appear to be lost on Romney.
He said, "Your state is the one I'm counting on by the way. This is the one we have to win."
- CNN's Rachel Streitfeld, Ashley Killough, and Paul Steinhauser contributed to this report.