No.
Yes, it is.
Not if you are a USA citizen.
No, you do not need a passport inside the US but you will need a valid picture ID.
yes
Passport is best
Obviously you need a passport.. No you don't. Picture ID is all that is required.
The state of Alaska is a part of the United States of America and therefore you are not required to have a passport when travelling there.
If you are a US Citizen no Passport is required for Puerto Rico, but it is required for Jamaica.
Yes if you don't live in the u.s.a.
No, as long as you are a passport holder of England or USA, you can fly in between without a visa
Yes, but no visa is required.