If you mean do you have to be a US citizen to visit Las Vegas then no, Las Vegas has visitors from all over the world.
no
Yes you do, if you plan to fly.And aren't a US citizen.
get on a plane you idiot
No. Even though California sometimes seems like a different country, both cities are in the US.
Yep, done that, Freeway is boring, Back way takes 8 hours or so.
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