It looks like the guy is not employed by HuffPo, he only had 3 opinion pieces on their site back in 2011:
http://www.huffingtonpost.com/author/ryan-clayton
He has a jackass libtard site to “Impeach Trump” so he’s probably raised some funds there for his activities:
http://americanstakeaction.com/
He works with Bob Creamer, Rep. JAN Schakowksi’s husband. He was the one who got people to start fights at Trump rallies.
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