Any way to sponsor a short trip to United States for our Mexican employee?

There must be a valid reasonings for the consulate to refuse him a visa. Hire a lawyer to look into it.

I think you already have your answer. I am rather conservative and i will suggest that you consult with an immigration attorney before doing so.

I was wondering if one had the conditions removed - did the adjudicator had the physical A file ?

There is no reasons for being nervous! Your case is being adjudicated based on your either A file or your T file. If you have a true concern,...

My husband is not a us citizen , I am here lawfully . He works on sea . We got married in the us . How can u file for a divorce

This is an immigration forum and not divorce law forum. I will send your question marked as such.

Divorce

No time period for filing for divorce after your oath.

Urgent need assistance to qualify for U VISA.

Well, this a close call and needs to be closely reviewed by an experience attorney.

Do I need to fill Ar-11 and if so how to deal with missed Ar11's in the past ?

When you file N-400 with G-325 you have to address the last five years of employment and addresses. That should be sufficient.

I'm planning to travel within the USA I have a DACA but what do I need to show them at the airport?

Have your work permit, driver license or social with you. You should be ok.

If a B2 visa was cancelled and got sent back voluntary due to visiting too much, whats the chance of reapplying visa?

If you are refused to enter and in fact have been marked and returned to your home country, there is no possibility of another non immigrant visa....

I've had my green card and in good standing for at least 10 years however recently I was convicted of a DUI

It appears that you have satisfied statutory physical presence. A DUI conviction is not a CIMT nor will effect your good moral character. To be...