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Unethical favoritism is not illegal but discrimination and harassment is illegal. If you feel that you're not being treated equally to others based on your nationality, religion, sex or disability, you make have a harassment case that you can file at the EEOC (www.eeoc.gov) or you can have a discrimination civil case against them.
The best advice I have for you is to really go to the VP and ask what you can do to make it more equal and fair. Make it known that you're willing to improve to let them see that you are not being offensive but rather you really do care about the company and want to help it grow. They want to keep good employees and retraining someone will cost more money. In the very least, you should get some kind of raise.