There was, we call it Pinkerton, among others. At least now you can organize out in the open.

No, you can’t. The US is so anti-union that there is a real risk of you getting reported to your boss for mentioning unionizing to your coworkers. They can’t openly fire you for trying to unionize, but most of the US is “at will employment,” which means that they can fire you at any time and don’t need to say why.

This is a real sign

Check out this article: Trump is the biggest union-buster in U.S. history