The attempted unionization of Amazon warehouse workers in Alabama is tough work that won’t immediately lead to other organizing efforts if it’s successful, an expert on the company said. “It’s very difficult to unionize in high turnover workplaces. You have to get union cards signed to get an election, many of those people may have left by the time the election comes around,” author Robin Gaster told NTD’s “The Nation Speaks” over the weekend. “So it’s difficult. And that explains possibly why efforts elsewhere have failed. Amazon also takes its own actions. If you have a lot of turnover, it’s fairly easy to turn over the union organizers as well, and there’s a lawsuit pending in Staten Island about that. And more generally, the U.S. is not terribly, the labor law is not terribly helpful to the unions, unlike some European countries.” “To unionize Amazon is going to be like …