Yes he did. It is an internet myth that he traveled on a "foreign student" passport. The countries he traveled to back then were frequently visited by American students and websites that say he went to "banned countries" are incorrect. Mr. Obama was an American student who wanted to travel, and so he got an American visa and visited several countries, including Pakistan. It was not illegal for Americans to visit Pakistan in 1981, as newspaper articles from back then have shown.
A US passport is valid in all 25 Schengen countries.
Both of them are valid for 10 years from the issue date.
If it's a valid US passport or you are a dual-citizen most likely
What is the maximum amount of time a canadian citizens can stay in the US with valid passport?
Yes. You always have to have a passport that's valid past the return date when leaving the US, since you can't enter the US without a valid passport.
No, you cannot leave the US with an expired passport. You need a valid passport to travel internationally.
No, you cannot travel in the US with an expired passport. It is important to have a valid passport when traveling internationally.
I'm sure he already had a passport when he was elected.
no it isnt
No, you cannot. Passport must be valid.
No. If he is an American he must have a valid American passport.
No, you cannot enter Canada with an expired US passport. You must have a valid passport to enter the country.