[Air-l] origin of the species

[Gilbert B. Rodman]

>Can't one safely assume that an e-address ending in .edu is an American
>address? (I've never seen one that I know originated elsewhere.) If so,
>then whoever is doing the counts, can simply add the .edu to other US
>signifiers.

Yes, but one can't safely assume that someone who has an e-mail address 
ending in .edu is necessarily a US citizen.