You may apply for change of status while J2 EAD renewal application is pending.

Gnerally, you may remain in the US for green card processing. However, it is best to retain a lawyer for guidance.

I don't beleive a private sector employer can revoke a government issued documentation in any setting. The employer contacting USCIS for same...

Best to directly contact the specific embassy.

No. An amendment is not required to change worksite.

It depends. You must justify the reason for addtional time to submit response to RFE. USCIS grants requests based on reasons supported by credible...

Yes. Expect delays on both sides; The TOP secret candidate and your immigration aplication.

Additionally, after 12 years on F-1 your academic accomplishments may open other options. Speak to a qualified immigration lawyer.

Yes, you may travel now as an IR-6 with the documentation you have, including present valid passport. However, upon naturalization you must travel...

Additonal information is required related specifically why you are unable to get a passport.