With half of the precincts reporting, Romney had 50 percent and Santorum 33 percent. Ron Paul and Newt Gingrich, who did not campaign heavily in Illinois, were far behind, with 9 percent and 8 percent respectively.
In Illinois, as in Michigan and Ohio, Romney enjoyed an enormous advantage in television advertising. His campaign and Restore Our Future, a super PAC that supports him, outspent Santorum and his super PAC by $3.5 million to $500,000, an advantage of 7-1.
(Copyright 2012 by The Associated Press. All Rights Reserved.)

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