I am a us citizen living in the us what can I do to bring my wife to the us

File a petition for alien relative. And a K3.

If I-539 is denied, will the current status expire? Do adjudicators indicate that you must leave in the denial notice?

I'm sure you discussed all of these questions with your lawyer, in detail. If you are not in status, the notice may state you must leave the U.S. ...

My fiancé is from Russia and has been here in the states for 10 years on a visa. his visa is about to expire, can it be extended

The son can file for his parent when he turns 21.

Can I buy and own a real estate?

Yes. It could.

Usually you can drive on a foreign license only for the first six months in the US.

Will immigration reform Pass?

Possibly. Depending on the language of the law, it may help foreign students.

It depends what you are applying for. Very few applications in the U.S. require a police clearance letter.

Can I apply for EAD under TPS while I have a vaild one under pending AOS for a long time?

Check the instructions for TPS, normally one does apply for a work permit.

Do I have to file I-765 form when filing all the application forms for Green Card?

Yes, if you want a work permit.

Do i meet the qualifications for a naturalization?

Not unless your parents naturalized before you left the U.S.