I don't think it's right what employers do, but with at-will employment the norm in the US, your employer ends up holding a lot of power. I also assumed as a p

I don't think it's right what employers do, but with at-will employment the norm in the US, your employer ends up holding a lot of power. I also assumed as a part-time worker I would be at the will of the employer even more; I myself have never done part-time work like that