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Abstract
This paper extends the analysis of how presidents influence popular beliefs and feelings about their parties to include Donald Trump’s full term and the first 20 months of Joe Biden’s presidency. The results from examination of hundreds of surveys confirm that both presidents, like their predecessors, have strongly influenced evaluations of their parties generally and their congressional wings specifically, views of party competence in a policy domain, and their electoral prospects. For the most part, Trump’s impact has been greater than Biden’s, whose influence generally matches that of earlier presidents.