This is exactly what some of us suspected - that this whole thing - on both sides - had a common organizer to bring these extremist groups together to cause a huge media spectacle to create a narrative for the press to pin on the President / Republicans. This revelation that this former OWS activist was one of the leaders is moving the evidence in that direction. OWS was a precursor organization to BLM and Antifa - all of which are funded by Soros.
Duke seems pretty obviously a Deep State intelligence asset showing up there and trying to tie Trump to it with every sentence he uttered. I would think it within the powers of Trump’s intel team to find that out somehow—and get such shenanigans exposed.