No.
As both Maine and Alaska are U.S. States, you do not need a passport to get there.
No, you do not need a passport inside the US but you will need a valid picture ID.
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.
Yes. You need a passport to fly anywhere.
Yes you need a valid passport to fly from Glasgow to Spain.
Yes, you need a passport.
You need a passport or an ID.
yes of course you need a passport to fly to las Vegas you need a passport to fly anywhere! No you don't if you live in the United States you don't need a passport to fly to Las Vegas.
No, for domestic flights, you will need a form of photographic ID, not necessarily a passport.
Chicago, no Shaker Heights, yes
No, you do not need a passport to fly within the United States of America. If you are going out of the country, you will need to get one.