Sons of Anarchy star Ron Perlman and Donald Trump Jr. are clearly no fans of Harvey Weinstein. However, the two clearly differ on who knew what about the now disgraced and indicted producer and what exactly a certain wet handshake really means. A critic of Weinstein since soon after the producer's alleged long history of sexual harassment and assault were first exposed by the New York Times and then the New Yorker last fall, Perlman kicked off this pissing contest of…