Here's the tweet:
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And here's how Reason, the libertarian publication, dismantled the story that was first peddled by the far-right site known as Rare:
"... Rare's Douglas Barclay informs us that Dickinson is a 'political lightweight and Virginia candidate for Congress' in the 7th district. That he is a lightweight is true: Dickinson has no political experience whatsoever. But he isn't a Democratic candidate for anything, either. The local Democratic Party has emphatically denied any association with the troll. He almost certainly has no intention of actually running for any office.
"Shortly after the above tweet, Dickinson claimed Ben Franklin was a 'well known pervert' with herpes, and insisted that 'George Washington had several well known mistresses and was known to hit the brothel in many towns.'  But these weren't the first blaring signs of bull---- that he ever put up..."
You can read more here.