What should I do?

If you are charged by the police then consult a criminal defense attorney. I doubt that will happen regarding an alleged incident that is 8 years old.

Just provide the information that you have. You should not have any problems.

Will denying service to someone because of his national origin violates his civil rights?

It sounds like you got in to an altercation. I would go to another place to get my oil changed. Good Luck

Do I have a case worth persuing?

Thankfully yo were not hurt. I do not see a case here but you might mention this to your doctor on your next visit.

Defamation

Easier approach is to discuss filing a motion for sanctions in the pending action with your attorney.

Can i still file a claim that happened in april 2010.

Check with local counsel but my guess is you have an SOL problem.

Can I sue for negligent abortion procedure

Yes, consult a medical malpractice attorney.

Can I be sued in small claims court for a car accident when I had liability coverage?

Yes but if you are then your insurance company will provide an attorney.

What do I do when the risk management department refuses to contact me back.

Use the finder and make some calls. It is a tough case and if you are not able to get an attorney to take it I doubt they will take you seriously....

Do I sue for pain and suffering even though they are paying workman's comp?

Yes you have a case but the damages are defined in the workers compensation statute under section 8. Consult a workers compensation attorney as...