A DUI is typically a misdemeanor offense unless it involves certain aspects that can make it criminal-such as a child in the car. Multiple duis will lead to felony convictions as well. It varies from state to state, but commonly a third DUI will turn from a misdemeanor into a felony.
Ask the person's probation officer.
I would think so, you're a felon...
If you are charged with DUI, you will probably be arrested at the scene. You may also be punished with jail time. A prior criminal record may result in a harsher sentence. If you are a felon and are on probation or parole, the DUI charge may violate that and result in revocation of all or a portion of your probation/parole.
No, it is a death penalty case.
You will need an attorney, and petition the Circuit Court.
It is possible for a DUI felon to go to Thailand, as Thailand does not typically ask about past criminal history upon entry. However, it is important to check the specific visa requirements for entry and any restrictions that may apply to individuals with a criminal record.
No. DUI is a crime because it shows an "I don't care if I kill or injure someone else by my carelessness", and such people should not be armed.
A felon may not own, possess, or be permitted access to firearms, ANYWHERE in the US.
NO. Nowhere in the US is a convicted felon able to legally possess a firearm.
No. He will drop stuff. Tell him to wait until the hangover wears off.
NO. A felon may not possess a firearm anywhere in the US. Federal law. 18 US Code section 922.
The key word here is "felon" - nothing else you stated in your question has any weight on the matter. As a felon, you may not own, possess, or be allowed access to firearms and/or ammunition. That is a matter of federal law, applicable to all states and territories of the US, and there are no exceptions to it.