I agree with my colleagues. Use your legal name.

Delinquent in State Sales Taxes and Federal Taxes of an Immigrated US citizen can travel abroad and can re- enter USA w/o probs

I agree with my colleague. This is a tax situation not an immigration one.

Does a divorce decree with the reasons of cruel and inhumane treatment affect an N 400 citizenship application

It depends. Your friend should consult an immigration attorney to assist him. It could have a negative impact on his application.

My vawa was approved and I was married to a us citizen. After three years I found out he has a first wife.

If you were married to someone at the same time they were married to someone else that can cause issues. You should consult an attorney.

Is Immigration Law in retroactive to obtain citizenship?

Immigration law is not retroactive. You would have to return to the US and have a green card for 5 years before you can file for citizenship....

Can i file for my spouse

You can file for your spouse as a green card holder. She cannot be a derivative asylee. Consult an attorney.

Fraud and willful misrepresentation will cause the I-130 to not be approved. You need to consult an attorney as soon as possible to assist with...

I took my husband last name when I got married, now I will be doing the citizenship process

Yes you can but you should consult an immigration attorney. Since you are applying for the 3 year rule, you need to show that you have a good...

How long should I wait to apply for a COS after I was legally admitted in the US?

It depends on which type of visa you want to COS to. Generally if you come on a tourist visa you should wait at least 60 days before filing COS....

How likely, what are the chances that he gets his green card? Please answer!

If he hires an attorney he will have a good chance of obtaining his green card.