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![]() County results Heinz: 50-60% 60-70% 70-80% 80-90% Vignola: 70–80% | |||||||||||||||||
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The 1988 United States Senate election in Pennsylvania was held on November 8, 1988. Incumbent Republican U.S. Senator John Heinz successfully sought re-election to another term, defeating Democratic nominee Joe Vignola.