A passport is when you go abroad and you need that to board the aireopane so they know that you are cheating to get on a plane without a passport
No.
NO you do not need one. But it is advised
No. But they will need appropriate identification if you wish to fly.
Not if you are a US citizen flying directly to and from Puerto Rico.
No, you need to have wifi access. But if you do have wifi access while your abroad then yes you can.
Most government employees don't need anybody's permission to go abroad on vacations.
We can. I don't know where you may have herd that but many Witnesses have passports. In order to go to distant lands to preach we most certainly need passports to leave our native countries.
yes,going abroad needs a passport!
No. You need a passport to get on the airplane and go through customs. If all ready in EU nations you don't need passports to move between countries., but if you go in places like Russia a visa is needed.
Even newborns need passports to enter other countries. Even Puerto Rico and Mexico now.
For some islands in the Carribean, passports are necessary for Americans. More importantly though, passports are necessary for Americans to re-enter the US now, from any other country.