Is it safe to travel outside the USA to Saudi Arabia and Pakistan as a US Citizen with the new Muslim ban?

The executive order does not apply to US citizen or lawful residents. Nor does the 90 day temporary bar apply specifically to Muslims as the...

Can he bring over his fiancé and little baby with him?

As my colleagues have stated no. After he obtains resident status he may marry and petition for his spouse. Again after obtaining resident status.

How does a DACA participant, married to a U.S. citizen, gain protection from deportation and eventually attain citizenship?

It is likely your spouse will be eligible for parole in place and be permitted to obtain resident status in the US without having to depart....

Error in n-400 application

At your interview, let the immigration office know and they will change and you wil initial the changes

I am married to a us citizen and he's lock up for two years will I still be able to get my green card

It may be an issue for a few reasons such as what is the crime? And your ability to establish a bona fide relationship will be more difficult.

Can i change my job in H1B visa during 5th year with approved I-140?

RFE's are not generic but based on what has been submitted to CIS. If the RFE is responded to and you are approved not impact. A review of your...

Old and new application

Either wait for the application to be returned, or an Request For Evidence (RFE) or provide the information at the interview. Whichever comes first.

How long does the work permit take. Whith the"U" visa application after the prints

USCIS provides processing times on their website for all applications and petitions.

Both are on the same document (card) If you receive one they will both be included.

Does trump ban applies to US citizens too ?

US citizens have right to return to the US. To block a US citizen from returning under the US Immigration Act is not appropriate and US citizens...