Updated 10:04 p.m. ET | Former Massachusetts Gov. Mitt Romney scored a decisive victory Tuesday in the Illinois primary, helping cement his status as the Republican Party's frontrunner and adding to his lead in the race to the 1,144 delegates…

Mitt Romney campaigns Monday at Bradley University in Peoria, Ill. Photo by Chip Somodevilla/Getty Images. Voting is underway in the Land of Lincoln, where Mitt Romney is looking for a decisive victory in President Obama's home state to cement his…

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