Roger Stone has been here before. Exactly two decades earlier, when a Florida recount threatened to undo Republican George W. Bush’s less-than-1,000-vote lead in the Sunshine State and hand the 2000 presidential election to Democrat Al Gore, the elders of the GOP drafted Stone — a notorious dirty trickster with roots in the criminal presidency of Richard Nixon. (Stone had only worked on an aborted third-party campaign in the 2000 run-up — a billionaire named Donald Trump.) Stone quickly set up shop in vote-rich, majority-Democratic Miami-Dade County. On the morning of Nov. 22, 2000, government…