I was unfairly terminated from a state job for an error I made and barred from future employment. Can I sue to be rehired?

Unfortunately, I don't think you have any recourse with the possible exception of a claim for unemployment compensation.

Do I have grounds for an unfair labor/termination suit?

You probably do not have grounds for a wrongful discharge lawsuit. However, in your description, you indicate that you are part of a union...

Unfortunately, it appears that your employer concluded that you were partially responsible for the altercation.

Unfortunately, it appears that your employer concluded that you were partially responsible for the altercation.

Is it illegal to interview three people in a group and then one person by themselves for the same position back to back?

Although this may seem unfair, and appear to be preferential treatment, it is not illegal.

Personel File left in open by Employer

Probably no legal recourse available unless your company has a grievance procedure. However, you should advise HR and get assurance that this will...

Does an employee have to perform a drug test at the request of the employer

Check the Company's written drug policy test and determine whether the Company has violated its own policy. In addition, make a complaint with HR....

Do I need an employment/labor attorney?

Absent some employment agreement or handbook policy that prohibits the employer from changing your hours, you are probably out of luck. Bear in...

Employee's rights against employer who has it out for employee

Unfortunately, the answer is probably that it is legal unless the harassment is based on your boyfriend's protected class (e.g., race, sex,...

Unfortunately, Texas is an employment at will state. That means you can be fired for any reason so long as it is not an illegal reason. Illegal...