Progressives believe Senator Bernie Sanders (I-VT) can build a broad coalition and win the 2020 general election.

Others — especially centrist Democrats, Republicans, and people in the media and political establishment — are concerned: Can Sanders win over right-wing voters?

Insider asked Republicans what they like about Sanders, and their answers show that he has broad and varied appeal to them.

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Despite three early successes in the Democratic primary, many still have serious concerns about Sen. Bernie Sanders, not the least of whom are Republicans. Still, plenty of them see at least something in Sanders they find compelling.

On February 18, Insider conducted a poll that could help answer those questions. There were 1,125 respondents and a 3% margin of error, and all told 319 respondents indicated they would probably vote for the Republican nominee in November.

We asked them: "Setting aside how you feel about him or your overall agreement with his policies, what is something you like most about Sen. Bernie Sanders or his candidacy?"

Sure, the vast majority of Republicans decline to answer the question, or said "nothing." But many respondents expressed some interest in Sanders's policy platform, or thought he had a good heart, or admired his passion and consistency. Here's what 82 respondents from the other party said they liked about Bernie.