Yes, if they have a valid SSN# and a state I.D.
Yes. The part about being married isn't even required; there are plenty of people in the US on student visas that get driver's licenses.
No he must have to renew his visa by applying again.
A number of people enter the US without having the legal right to, or remain in the US after their visas have expired. They are known as illegal immigrants. The US illegal immigration statistics can be found at the Government Accountability Office. And Wikipedia also has some detailed information.
The United States issues visas for entry into the country.
It would be better to get married in the U.S. But keep in mind it is only a suggestion.
If your green card has expired and you are not married then you will have to apply for another one. You will have to go to the DMV and start the paper work.
Yes, the website ais.usvisa-info.com is legitimate for obtaining US visas.
as k1 visa,you have 90 days after arriving into the us to get married,it doesnt matter.remember after 91 days they can deny your application .be sure do into the 90 days
No, you cannot leave the US with an expired passport.
yes, there are no legal requirments
B1/B2 are visas for tourism and business visits. They will remain valid till the expiry date. Unlike some type of work visas, they will not be invalidated at any time on grounds of non-arrival.
How long does what take? You need to be a bit more specific.