>Also, in the Føroyan language, the dualis seems
>to have "pushed out" the normal plural. (pushed out
>like a cuckoo), so that the old dualis, "vit"
>is now the normal way of saying "we" for any number
>of persons l.e. 2. [larger OR equal that is]

That's exactly what happened in Icelandic as well.

Now we only use 'vér' as superformal (that is, we don't
use it at all).

I suppose "We, the people of the United States..." could be
"Vér, íbúar Bandaríkjanna..." but I don't know :-)

Regards,
Haukur