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Summary
Chicago Tribune and Google Images https://www.google.com/search?q=hart%2Bmondale&biw=1280&bih=913&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiM3ND06LTMAhVYz2MKHUPGC_AQ_AUIBygC#tbm=isch&q=crossover+voting