As an employee or job candidate, you should never be discriminated against. While there are laws in place to protect you, it is important to realize one thing to be true: Some companies don't care about these laws, as they are going to do what they want and hope nothing bad happens.
Whenever you enter into a relationship there is a chance, indeed a likelihood, that some level of disagreement will develop over something. It's only normal. The big question that has to be asked at the point something does arise is how the dispute will be resolved.
Life can be messy sometimes. It happens in our personal lives. It can also be evident in the course of business. When conflicts develop it's good to know that the Texas and federal legal systems are in place to provide avenues to resolution.