2008 Pennsylvania Republican presidential primary
The 2008 Pennsylvania Republican presidential primary was an election held on April 22 by the Pennsylvania Department of State in which voters chose their preference for the Republican Party's candidate for the 2008 United States presidential election . 
<triplet> 2008 Pennsylvania Republican presidential primary <subj> 2008 <obj> point in time <subj> Republican Party's <obj> participant <subj> 2008 <obj> point in time