That is far longer than the normal processing time. Try filing a petition for writ of mandamus.

If you have a medical basis not to have a certain vaccine, you should not need any waiver form. If not, you file the I-601 after finishing the...

You need to find a Canadian immigration lawyer to discuss how to immigrate to Canada.

I understand one can get that from CBP, and one would need to depart the U.S. and return in order to do that.

Not necessarily. Perhaps he withdrew his application for admission. Get a copy of his papers and find a lawyer to review them.

Your best bet it just to tell the truth. It will not help you to try to cook up the facts.

Some facts are missing. Such as, whether your spouse immigrated to the U.S. with you. Regardless, if you are a permanent resident, you can file a...

Yes you can change from B1/B2 to F1. Yes, you can stay in the U.S. while waiting for a decision.

There is no set amount of time. No doubt it is a very, very low priority.

She does not. You can write "none" or "N/A".