Originally Posted by
planemechanic
Scan your passport and email it to yourself. Easily accessible from any internet cafe, print, your done. You now have proof of US citizenship and can get into an Embassy to get a new passport. This is much safer than taking your real passport around every city in the world.
Or if you have a camera phone, take a picture of the inside cover of your passport. Not my idea but from an Israeli teenager seated next to me when an AF fligh attendant asked to see his ID before giving him wine (he was 18 and legal to drink in France).