How can I change power of attorney from a sibling

You can't change your father's POA--only he can. Sit down w/a local SD elder law attorney.

I'm seeking an attorney with Elder Law experience and some type of experience with fighting for veterans!

Use Avvo's "Find a Lawyer" tab--you want to look for an elder law attorney who's also VA-accredited and who practices in MT.

You can sue all day long but not get anywhere except wasting your cash and the court's time unless you can really show damages.

Possible "amicable" California divorce - medically retired from Military and FERS plus have a 70% VA comp

The VA compensation is apportionable under 38 CFR 3.450 and 452.

Can we sue a hospital for defamation of character?

I don't see from the facts that this rises to the level of defamation.

What type of lawyer would have experience with land law and implied covenants as it relates to a specific parcel of land?

Go with a local real estate attorney.

Can my boss fire me?

Based on the facts relayed: yes. GA is an "at will" employment state. She does not need just cause to release you, but she must follow...

get a NV attorney to assist you with a guardianship.

Getting ssi for previous knee injury 20 years ago

An SSI award will consider if you can't do work (substantial gainful activity) of any type, due to your knee. So, you have to be prepared to...

If I walk away from the vehicle, am I stuck with the loan?

It's still your's and you are still responsible for it and the associated loan.