The answer depends on what state and city the business is located in. Political affiliation is a protected class in some states[0]. California[1], for example

The answer depends on what state and city the business is located in. Political affiliation is a protected class in some states[0]. California[1], for example, also prohibits discrimination on gender identity, ancestry, sexual orientation, AIDS/HIV status, medical condition, political activities or affiliation, veteran status, or status as a stalking victim. [0] https://www.ncsl.org/research/labor-and-employment/discrimination-employment.aspx https://www.ncsl.org/research/labor-and-employment/discrimin... [1] https://www.nolo.com/legal-encyclopedia/california-employment-discrimination-31690.html https://www.nolo.com/legal-encyclopedia/california-employmen...