You don't need a passport to get into freeside.
north of freeside
South of Freeside's East Gate and north of NCR Sharecropper's Farm.
He is at the Old Mormon Fort, which is in Freeside, on the outskirts of New Vegas. It is not a marked location on the map, just part of the Freeside area.
his in the Old Mormon Fort in freeside freeside is next to new vegas
You must hire Arcade Gannon as a companion. You can find Arcade with The Followers area inside Freeside.
In Freeside, At the King's School of Impersonation, north of the North Strip Gate. Go in and talk to Pacer and bribe him.
Freeside is the area to the north, and to the east of New Vegas Strip. It consists of two distinct areas, one containing the Old Mormon Fort and Mick & Ralph's store, the other containing the King's den, Atomic Wrangler, Van Graff's and the entrance to the Strip.
You can get Rex by talking to The King, in Freeside. And he will ask you to get his buddy a new brain. (Rex) And then you can get him the Legion brain, because it is my favourite, and probably the best. :)
from the kings in freeside you do some stuff then ask about Rex the robot dog and so a long quest then he follows you aronund
Occasionally Fallout: New Vegas will freeze, but not as frequently as Fallout 3.
fallout: new vegas 2 I've heard.
Fallout: New Vegas