In my opinion, Nina Turner wanted the rewards of the Democratic Party but....

[DFW]

55. Though not a fan of conspiracy theories, I tend to agree about the infiltration. Follow the money!

At the present time, the American electorate as a whole prefers what Democrats have to offer. If the Republicans refuse--or are unable--to make their brand of hate politics more palatable, then their choices are limited. One, voter suppression, is in full swing. Another is to alter the Democrats' message so as to be unacceptable to a majority of voters, and that includes, by definition, a LOT of Democrats.

Part of a Daily Beast report:

"According to Federal Election Commission records, however, the Turner campaign reported a March 31 donation of $1,000 from the director of Amare Public Affairs, a firm Turner founded last September as an offshoot of D.C.-based lobbying shop Mercury Public Affairs. And on Jan. 19, three days after her tweet, Turner accepted $250 from a partner at Mercury, per FEC filings."
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"While Turner’s links to Mercury have been a matter of public record, they haven’t been widely reported beyond a Mercury press release announcing its sponsorship of her firm. And Turner—an outspoken anti-corporate progressive and national co-chair for Sen. Bernie Sanders’ 2020 presidential campaign—may have good reasons to keep a low-profile connection.

"Mercury has gained a great deal of public notoriety over the last few years. The firm had extensive revolving door ties to Trump administration officials, and made millions as a foreign agent for entities associated with geopolitical adversaries such as China, Libya, Russia, and Turkish President Recep Tayyip Erdoğan’s regime."
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more here: https://www.thedailybeast.com/dem-star-nina-turner-blows-pledge-not-to-take-lobbyist-money?ref=scroll

Now, amounts like $250 and even $1000 are small potatoes in the scheme of Turner's $4.5 million haul. I don't know where the rest of her money came from, and it probably won't be obvious even if well-researched. These people are not fools. If anybody believed that one single person sent Bernie Sanders $37 eighteen times in one day during his primary race, I have some oceanfront property in Wyoming to sell you.