Although I agree with overturning Citizens United, but where do you draw the line? I assume you mean "an employer can't fire someone for what they say in their

Although I agree with overturning Citizens United, but where do you draw the line? I assume you mean "an employer can't fire someone for what they say in their free time" but what about non-employees? Will they be required to keep contractors? Vendors? Spoke persons? Customers?