Story highlights 52% of American voters had a favorable view of Winfrey last March

But less than half of them, 21%, said she should run for President in 2020

Washington (CNN) American voters are big fans of Oprah Winfrey -- but asked 10 months ago, most didn't want her to run for President.

Voters had a favorable view of Winfrey by a two-to-one split last March, according to a Quinnipiac University poll

A majority of voters, 52%, said they viewed her favorably, including a whopping 72% favorable vs. 7% unfavorable rating among Democratic voters, an optimistic sign for a potential Democratic primary.

She also earned favorable marks from 51% of independents and 30% of Republicans.

There's just one problem: they're not sure about her as President of the United States.

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