Do i have any legal rights

You likely don't have any legal claim. Your employer is free to change your shifts as it desires.

Can family get visitation rights?

Based on these facts, I don't think you have any legal remedy to visit your niece and nephew.

Can I still find a lawyer after a year?

You are still within the statute of limitations. You should contact a lawyer who handles employment litigation and personal injury matters.

Can I change the policy at wallmart or help change it? Do I need to sue to be heard by Corp?

I'm sorry to hear that this happened to you. Unfortunately, based on the facts you described, Walmart did nothing illegal.

You're employer is free to suspend you or change your shift as long as it doesn't do so for reasons based on your race, color, religion, sex...

Is talking about a coworker who fainted a Hippa Violation?

There is likely no HIPPA violation here.

Can they deNY my claim even if I have proof I was at work and boss singed off saying

As long as the insurance records show you were insured at the time you hit the deer, you will be insured for the accident.

Will I be responsible for accident if I was a disabled vehicle, and hit by someone speeding around a blind corner?

You probably are not at fault given the facts you provided. You should contact a personal injury lawyer in Washington to assess your options.

Can i start a business,after going through trade act training?

Is the Trade Act administered through the federal Department of Labor? If so, you should probably contact them to inquire whether they will pay for...

Is legal to get fired by text message

More facts are necessary to determine whether you have a case. You should contact an employment attorney.