Stuart Varney: Democrats face the 'monumental task' of transforming Kamala Harris

During his "My Take," Tuesday, "Varney & Co." host Stuart Varney argued Democrats face the "complicated" task of turning Kamala Harris into a winner while her campaign attempts to change voters' perception of their candidate.

STUART VARNEY: Three weeks ago the political world looked very different. 

Biden was still the Democratic candidate for president. Donald Trump was rising in the polls. 

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Kamala Harris' polling was terrible...