If you are a US citizen and have the identification for it then Yes you can if you are to travel by land and sea. If by air, you need your passport.
Yes, this summer 2009 it will be an requirement for all persons to show a passport to cross the United States border back, and forth.
They can't. Irrespective of ancestry or race, if you are a US citizen, you are entitled to enter the United States without passport, provided you can show proof of citizenship, including IDs and birth certificates.
Very difficult; can be deadly. Better get a passport and US visa.
You don't need a passport to travel within the continental United States, even if you are not a citizen.
Yes because Hawaii is part of the united states but, if your not a united states citizen then you cant.
You can enter the US without it only if you have other proof of your citizenship and identity. If not, you need your passport.
Yes, they definitely need a passport to legally enter the United States.
If you are going to Mexico and have a passport you do not need a driver's license if you are flying in an airplane. No. Actually, if you are not driving but simply crossing the border with a passport, you should not have problems reentering the United States from Mexico.
Answer you need to get a passport
No ANSWER: Because both locations are in the United States, you will not be required to have a passport. Travel within the continental United States does not require passport.
None, today. Due to the new laws a passport is needed if you travel outside of the United States.
There are NO states without a border.