Pennsylvania Primaries: The Path to Victory
Explore the map to see how each candidate performed across Pennsylvania's 67 counties.
NOTE: As John McCain is the presumptive Republican nominee, results from the Pennsylvania Republican primary will have no impact on the Republican race.
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SOURCE: Associated Press | GRAPHIC: By Alyson Hurt, Jason Manning and Larry Sanderson, washingtonpost.com; Nathaniel Vaughn Kelso, The Washington Post