Seth Perlman, Associated Press
CHICAGO — His confidence surging, Mitt Romney pointedly ignored his Republican rivals on the eve of Tuesday's high-stakes primary election in Illinois and turned his fire instead on the Democrat he hopes to oust in the fall.
Romney pushed into President Barack Obama's home territory, assailing Obama's economic credentials on the Chicago campus where the president taught for more than a decade.
"Freedom is on the ballot this year," Romney told students and supporters, contending that the nation's recovery from recession was being limited by an "assault on our economic freedom" by Obama. "I am offering a real choice and a very different beginning," he said.
While Republican rival Rick Santorum courted anti-Romney conservatives across Illinois, the front-runner was trying to show he was more than ready to rise above the grinding GOP primary battle and move toward a general election matchup against Obama. Romney has secured more delegates than his opponents combined, and his nomination seems more assured each week as Santorum's shoestring campaign struggles under the weight of continued disorganization.
But a victory in Illinois' Tuesday primary is by no means assured.
Romney has spent big on advertising here, and he will have devoted more than three straight days to the state — an eternity by some standards in this constantly shifting campaign — by the time votes are counted Tuesday night.
After embarrassing Santorum with a one-sided victory in Puerto Rico Sunday, the Romney campaign sees in Illinois a potential breaking point for stubborn rivals who have defiantly vowed to stay in the race until the GOP's national convention in August. Should Santorum and Newt Gingrich stay politically alive until then and follow through on their threat, it could turn the convention into an intra-party fight for the first time since 1976.
Illinois is expected to be far closer than Puerto Rico's blowout, although recent polls suggest Romney may be pulling away. Even if he should lose the popular vote, Romney is poised to win the delegate battle. Santorum cannot win at least 10 of the state's 54 delegates available Tuesday because his campaign didn't file the necessary paperwork
Still, Santorum campaigned hard across the state Sunday and Monday in light of the stakes in Illinois, one of the last premier battlegrounds before the Republican race enters an extended lull after Saturday's contest in Louisiana.
"If we're able to come out of Illinois with a huge or surprise win, I guarantee you, I guarantee you that we will win this nomination," he said.
He rallied conservatives on Monday in Dixon, Ill., the hometown of President Ronald Reagan, saying, "I might add, just parenthetically, that if we just happen to win Illinois, that will be the 11th state that I've won."
He invoked the former president's insurgent campaign in 1976 against President Gerald Ford for the Republican nomination. Reagan lost, but it set the foundation for his return in 1980 when he won the nomination and defeated Democratic President Jimmy Carter.
As Romney focused on the economy in Chicago, Santorum said that the president's health care overhaul, not the economy, is the election's "most salient issue." And he continued to emphasize conservative cultural values: "Ronald Reagan understood that faith plus family equals freedom in America," Santorum said.
Romney, meanwhile, campaigned in the city where Obama taught law at the University of Chicago and where the president has his national campaign headquarters. Avoiding any reference to Republican opponents, Romney assailed the president.
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