The WGA East is accusing ITV America of employing the tactics of right-wing union-busters in the union’s ongoing attempts to get the company to negotiate a fair contract for writers/producers employed on reality TV shows such as Pawn Stars, Counting Cars and Tiny House Nation. The guild says that the main roadblock to a deal is the company’s refusal to negotiate a contract that includes a “union security” clause that requires every member of the bargaining union to become…