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Romney wins 3 primaries as Santorum faces uphill battle
Rick Santorum turns his focus to his home state of Pennsylvania as he faces an uphill battle to convince Republicans he can stop Mitt Romney from clinching the party nomination after his three-primary sweep.
April 04, 2012
(CNN) Milwaukee - Romney's wins in Wisconsin, Maryland and the District of Columbia put him past the halfway mark to the 1,144 delegates needed to clinch the nomination and add to a wide lead over other GOP presidential candidates, according to CNN estimates.
Yet Santorum indicated Tuesday night he would compete in the April 24 primaries in five states, including Pennsylvania, where his campaign hopes a win would be a gateway to a run of May primaries in states where he can capitalize on higher percentages of conservative voters.